Important (Read me first!)

This post is a commentary and does not contain any copyrighted material of the reference source.

We strongly recommend accessing/buying the reference source at the same time.

Reference Source

You can understand each word more deeply by utilizing the following YouTube Posts and PDF files.
Also, see how to use Englist.me?

All Words (122 Words)

You can learn all the words from basic to advanced levels in the order they appear in the contents.
If you want learn all words quickly, you can use Quick Look Video.

Quick Look


YouTube Post

Vocabulary Builder

Advanced Words (34 Words)

If you are confident in your vocabulary, you may prefer to study with content that covers only advanced-level words.

YouTube Post

Vocabulary Builder

Word List

You can quickly review the words in this content from the list below.

documentaryn: a film or a radio or television program that gives facts and information about a subject; of or derived from official documents
awardn: a prize or other mark of recognition given in honor of an achievement
silentadj: without any or little sound
premisen: a statement or proposition that is held to be true or from which a conclusion can be drawn
underwateradv: below or under the surface of the water
inaudibleadj: unable to be heard clearly or loud enough to be heard
soundscapen: the overall sound environment of a particular area or place
noisyadj: making a lot of sounds, especially loud or disruptive sound
junglen: an area of tropical forest where in which trees and plants grow very thickly
rainforestn: a forest rich in biodiversity that is generally found in tropical settings with heavy annual rainfall
invertebraten: a class of animals that do not have a backbone; they include insects, worms, and mollusks
snapv: to record on photographic film; to make a sudden, sharp sound; (noun) the act of catching an object with the hands
shrimpn: a small, freshwater or saltwater creature with a slender body and long legs
marineadj: relating to the sea and the creatures and plants that live there
communicatev: to share or exchange information with others by speaking, writing, moving your body, or using other signals
navigatev: to plan and direct the way that a ship, plane, etc. will travel, often by using a map
detectv: to find or recognize something, especially something difficult to see, hear, etc.
predatorn: an animal whose natural behavior is to prey on others
preyn: the object of a hunt; an animal hunted or trapped for eating
environmentn: the natural world such as air, water, and land in which humans, animals, and plants live
arcticadj: of or relating to the region around the North Pole or the Arctic Ocean; very cold
vastadj: enormous in size, number, amount, or quantity
inhospitableadj: harsh and difficult to stay in or grow; unfriendly and unwelcoming towards people who visit you
desertn: arid land with little or no vegetation often covered with sand or rocks
embodyv: to represent or exemplify something; to give tangible form to an abstract idea
disconnectv: to unfasten or disjoin something, especially to break the connection between a supply of gas, water, or electricity and a piece of equipment
amazev: to fill with wonder, surprise, or admiration
delightn: a feeling of great pleasure or happiness
bowheadn: a large, baleen whale species typically found in Arctic and subarctic regions, known for its distinctive, arched upper jaw
belugan: a type of whale found mainly in Arctic and sub-Arctic waters
whalen: a very large sea mammal that has a streamlined body and breathes through a blowhole on the head; a very large person; impressive in size or qualities
walrusn: a large marine mammal that belongs to the seal family, Odobenidae, known for its long tusks, large body size, and ability to live in the Arctic regions
beardn: hair that grows on a man’s face, often around the mouth and chin
sealv: to close or fasten an envelope, etc. securely; (noun) a large marine mammal that chiefly lives in cold regions and comes on shore to breed
screechv: to make a loud, high-pitched, piercing sound, often indicating pain or fear
crackv: to break or cause to break without dividing into separate parts; (noun) a line on the surface of something along which it has separated without breaking
groanv: to make a low, moaning sound, often indicating pain, discomfort, or dissatisfaction
collidev: to hit something violently when moving
rubv: to move one’s hand or an object over the surface of something with pressure
temperaturen: the degree of hotness or coldness of a thing or place
visualadj: relating to seeing or sight
sightn: the ability to see; anything that is seen
chemicaladj: relating to or connected with chemistry;
cuen: a signal, gesture, or action that provides information or direction for someone else to act or respond; a reminder or prompt for someone to do something
transmitv: to send or forward an electronic signal; to pass something from one person or thing to another
distancen: the amount of space between two points, measured in units such as miles, meters, or kilometers; the extent, scope, or range between two things, such as distance or emotional distance
indicatev: to show, point out, or make known something, often through a sign or a symbol; to suggest or imply something without stating it directly
echon: a sound heard after being reflected off a surface, such as a wall or a cliff
varyv: to become different in terms of size, shape, etc.
cacophonyn: a harsh, discordant mixture of sounds; a jarring or unpleasant noise or combination of sounds
solidadj: hard or firm; characterized by good substantial quality
shiftn: a slight transition in position, direction, or trend
ambientadj: relating to the immediate surroundings of something; creating a particular atmosphere or mood, often through sound or lighting
primarilyadv: mainly
greenhousen: a building with walls and roof made chiefly of transparent material, such as glass, for growing plants in
emissionn: the act of production or sending out gas, heat, light, etc.
climaten: the weather in a particular location averaged over some long period
conductv: to organize and carry out a particular activity
controllableadj: able to be controlled or directed
experimentn: the scientific test conducted to observe what happens and gain new knowledge
planetn: any of the nine large celestial bodies that circle in the solar system; any celestial body that revolves around a star
referv: to direct someone’s attention, thoughts, or questions to another source or person; to mention, cite, or allude to something as evidence or support
navigableadj: able to be sailed on or through, especially referring to a body of water or a channel; passable or clear of obstruction for travel
vesseln: a ship or large boat
extentn: the point or degree or area to which something extends
relyv: to require a specific thing or the assistance and support of someone or something to continue, run properly, or succeed.
polaradj: relating to, or close to, the North or South Pole; characterized by complete opposites
erosionn: the wearing away of rock, soil, or land by natural processes such as wind or water
availv: to help or benefit; to use or take advantage of
eavesdropv: to listen to someone else’s conversation without their knowledge or permission
instrumentn: an object used to make musical sounds, such as a piano, guitar, or drum; a tool or device used for a specific activity, particularly in specialist or scientific work
hydrophonen: a device used to detect and analyze sound waves in water, typically used for underwater acoustics research, sonar systems, or underwater surveillance
microphonen: a device that converts sound into an electrical signal used for recording sounds or making the voice louder
contributorn: a person or thing that adds to the achievement, production, or growth of something (such as a project, organization, or publication); a donor or benefactor
bubblen: a thin, round, and often transparent mass of gas that is surrounded by a thin layer of liquid; a state of economic or social prosperity that is unsustainable and eventually collapses
hissv: to make a sound similar to a sharp exhalation or steam escaping under pressure, often expressing disapproval, anger, or fear; to produce a sound that is shrill and prolonged, often resembling the hissing of a snake; (noun) a sound or noise made by a person or animal, characterized by a sharp, prolonged “s” sound
staticadj: not moving or not capable of moving, not changing or not capable of changing
backgroundn: the details of a person’s social heritage, such as family, vocational or educational experience; past information that is essential to understanding a situation or problem
columnn: one of the vertical blocks that split content on a page or screen from top to bottom; an upright pillar that often supports an arch, entablature, or other structure or stands alone as a monument
buffern: a device, material, or person that reduces the impact or effect of an external force or provides protection against harm or damage
atmospheren: the mass of air that surrounds the Earth; the pervading tone or mood of a place, situation, or creative work
intensifyv: to increase or make something increase in extent or strength
advantagen: a condition or circumstance that puts one in a favorable or superior position; a beneficial feature or asset that someone or something has
dorsaladj: located on the back, particularly the upper surface of an animal’s body; related to or pertaining to the back
finn: a thin flat part on the body of a fish or other aquatic animal used for propulsion or balance
evolvev: to develop gradually, or to cause the development of something or someone gradually
stickv: to put something, usually a sharp object, into something; to restrict yourself to doing or using one certain thing and not change; (noun) a thin piece of wood or other material
conduciveadj: tending to make something likely or possible
migratev: to move from one country or region to another and settle there; to move from one place to another periodically or seasonally
excludev: to deny someone or something enter to a place or taking part in an activity
humpbackn: a large whale that has a hump on its back and long flippers, found in both the northern and southern hemispheres
essencen: the basic or most important part or quality of something that makes it what it is
invasionn: army’s act of forcibly entering another country or territory to take control of it
competitionn: a situation in which someone is attempting to beat or outperform another
introductoryadj: intended as an introduction or preliminary; serving as a base or starting point
diseasen: a disorder or illness that affects the body or mind, often characterized by specific symptoms or abnormal functioning of organs or systems
parasiten: an organism that lives on or in another organism and benefits by deriving nutrients at the other’s expense
massiveadj: enormous amount; very heavy and solid
cruisen: a voyage on a large ship for pleasure; driving or traveling at a leisurely pace
mythicaladj: based on or related to myths, legends, or folklore; existing only in tales or in the imagination
pacificadj: peaceful in character or intent; tending to lessen or avoid conflict; calm or soothing in manner or tone; (noun, as “Pacific”) the largest and deepest of Earth’s oceanic divisions
occupyv: to consume all of someone’s space, attention, or time
extractn: a short passage taken from a book, piece of music, etc.; a substance obtained from something through a specific process; (verb) to obtain from something or to remove something by effort or force
commercen: the activity of buying and selling things, especially on a large scale
hormonen: a chemical substance made by organs that encourages or influences the development, growth, sex, etc., of an animal and is carried around the body in the blood
disruptv: to prevent or stop something, especially an event, activity, or process, from continuing in the usual way by causing a problem or disturbance
frequencyn: an ordered array of colors into which a light beam can be split
whompv: to strike or hit something with a heavy or resounding impact, often causing a loud noise or vibration
acousticadj: relating to sound or the sense of hearing
vitaladj: necessary for the success or continued existence of something
survivaln: the state of continuing to exist or live, frequently in the face of difficulty or danger
alienn: a person who comes from a different country, race, or group; a form of life assumed to exist outside the Earth or its atmosphere
pluckv: to pull or draw something, especially with sudden force or effort; to strip of feathers
countrysiden: rural areas or regions outside of cities and urban centers often characterized by open fields, farmland, forests, and countryside scenery
traversev: to cross or move through a land or water area
restrictv: to limit someone’s actions or movements, or to limit something to lessen its size or prevent it from increasing
ultimateadj: furthest or highest in degree or order
reversev: to change something’s direction, order, position, decision, etc., to the opposite one; (adjective) directed or moving toward the rear
deceleratev: to slow down or reduce the speed of something; to decrease in speed
atmosphericadj: about or located in the earth’s atmosphere
entirelyadv: completely
retrospectn: a review or analysis of past events, particularly to gain insight or understanding; a consideration of something that has already occurred or been accomplished