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 (96 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 (32 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.

waddlev: to walk with short, unsteady steps, swaying from side to side; (noun) a rolling gait or awkward walk, often accompanied by the swaying of the body from side to side, as is typical of certain birds and aquatic animals
awkwardlyadv: in a manner that lacks grace or fluidity; in a manner that is uncomfortable or difficult to perform
immobileadj: unable to move or be moved, particularly due to injury, sickness, or mechanical defect
mammaln: any animal of which the female gives birth to live young, not eggs, and feeds her young on milk from her own body
incredibleadj: unbelievable; enormous
huntv: to go after and try to catch wild animals to kill them for food, sport, or profit
hurtlev: to move quickly and forcefully, especially in an uncontrolled or dangerous way
majesticadj: impressive or grand in appearance, size, or manner; stately
suiten: a set of rooms designated for a particular purpose or activity, especially a set of rooms in a hotel or private residence used as a living unit; a musical composition of several movements only loosely connected; the group following and attending to some important person
adaptationn: the action or process of changing to suit different conditions
tunen: a musical composition or set of musical notes that are played or sung; (verb) to adjust or set something to a specific condition or standard
resourcefuladj: showing creativity and ability to find quick and practical solutions to problems
aquaticadj: growing or living in, on or near, or connected with water
peern: a person who has the same age, status, or ability
depthn: the distance between the top and bottom of something; between the top surface and a distance below it
mountv: to increase, go up, or advance gradually or continuously; to prepare and supply with the necessary equipment for execution or performance; to ride on something or someone
collapsev: to fall down or give way suddenly, often after breaking apart
pliableadj: flexible; easy to bend without breaking or cracking
ribn: each of a series of curved bones that are connected to the spine and surround the chest; (adjective) subject to laughter or ridicule
cagen: a structure made of metal bars or wire in which birds or animals can be kept
compressv: to press or squeeze together to make something take up less space
springyadj: resilient; elastic; (of movements) light and confidently active
lungn: either of the two organs in the chest that people and some animals use for breathing
airwayn: the air passage from the nose and throat to the lungs; a designated route followed by airplanes flying from one airport to another
cartilagen: a tough, elastic connective tissue that is found in various parts of the body, such as the joints, the outer ear, and the tip of the nose
oxygenn: the chemical element with the symbol O that is present in air and water and is necessary for people, animals, and plants to live
inflatev: to fill something with air or gas so that it becomes bigger and rounder
preservev: to keep or maintain a particular quality, feature, etc., especially to prevent it from decaying, being damaged, or being destroyed
redirectv: to change the direction or course of something; to send in a different direction
essentialadj: indispensable; fundamental
brainn: the organ inside the head that is responsible for one’s movement, thought, memory, and feeling
relyv: to require a specific thing or the assistance and support of someone or something to continue, run properly, or succeed.
reservev: to keep something for future use or contingency; to obtain or arrange something, such as a meeting, seat, etc., in advance
superioradj: better, higher in quality, or more advanced than others
visionn: the ability to think about or see the future with imagination and intelligence; the faculty of being able to see
preyn: the object of a hunt; an animal hunted or trapped for eating
structuren: the way of construction of something and the arrangement of its parts, or a complex thing constructed of many parts
transparentadj: easy to perceive, detect, or understand; (of a material or article) permitting light to pass through freely
convexadj: having a surface or outline that curves outward, like the exterior of a ball; having a shape that bulges or curves outward
refractv: to bend or alter the direction of light, sound, or particles as they pass through different substances or mediums; to cause something to appear distorted or altered
sightn: the ability to see; anything that is seen
lensn: a transparent optical device with curved sides, used in an optical instrument that makes objects seem larger, smaller, clearer, etc.; (metaphor) the basic thoughts or mindsets through which someone sees or understands the environment or situation
curven: a bend or angle in a line or surface that deviates from a straight or flat path; a gradual or smooth change in direction or shape
processn: a series of actions or operations performed to achieve a particular outcome or goal; a systematic procedure or approach used to accomplish a specific task or objective; a method of treating milk to make it suitable for consumption or use in other dairy products
accommodatev: to provide someone with a place to live or to be stored in; to make fit for or to change to suit a new purpose
underwateradv: below or under the surface of the water
teardropn: anything shaped like a falling drop as a pendant gem on an earring; a single tear that falls from the eye
pupiln: the black circular opening in the center of the iris of the eye, through which light enters the eye; a student in school or university
expandv: to increase or to make something greater in size, number, or importance
pinpointv: to locate or identify the exact position in space or time of something
dimadj: poorly lit; not bright
akinadj: similar or related in nature, character, or origin
whiskern: any of the long, stiff hairs that grow near the face of certain animals, such as cats or rats; a long, thin, projecting piece or part, such as an antenna or a protruding edge
vibrissan: a stiff hair or bristle, particularly the long hairs on the face of some mammals, such as cats or rodents, used for tactile sensing
composev: to write music, poetry, or formal writing; to constitute or make up a whole, or a specified part of it
keratinn: a fibrous protein that is the main structural component of hair, nails, and the outer layer of skin in mammals and birds; also found in horns, hooves, and feathers
nervousadj: worried and anxious about something; relating to the nerves
fibern: thread or filament used to make a vegetable tissue, mineral material, or textile
tissuen: an ensemble of similar cells of the animal or plant that together carry out a specific function
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
propn: a piece of wood, metal, etc., placed beneath or against something to support it or keep it in position; a system, institution, or person that gives help or support to someone or something
slimadj: having a slender or thin build, often by design or effort; of small size, amount, or margin; reduced or limited
trailn: a path or track roughly through a countryside, mountain, or forest area, often made or used for a particular purpose; (verb) to lag or linger behind
preciseadj: sharply exact or accurate or delimited
blindfoldn: a covering for the eyes used to block out light, particularly one used as a means of sensory deprivation or as a form of punishment or revenge; (verb) to cover someone’s eyes with a blindfold or similar material, often as a way of preventing them from seeing something or to make a game or activity more challenging
centimetern: a unit of measurement of length in the metric system, equivalent to one-hundredth of a meter
anchovyn: a small saltwater fish with a strong flavor, often used in cooking and as a pizza topping
mackereln: a type of saltwater fish commonly eaten as food, known for its oily flesh and distinctively striped appearance
squidn: a sea creature with a long and soft body, large eyes, eight arms, and two tentacles (= long parts like arms), and that is sometimes used for food
extendv: to broaden in scope, range, or area
breedv: to keep animals for producing offspring in a regulated manner
territoryn: an area under the control of a ruler or state
foen: an enemy or opponent; someone or something that is opposed to or in conflict with another
navigatev: to plan and direct the way that a ship, plane, etc. will travel, often by using a map
stompv: to walk heavily and noisily, often with a rhythmical sound; to dance with a rhythmical step
unfoldv: to open up or spread out something that is folded or rolled up; to reveal or disclose something that was previously hidden or unknown
handlev: to deal with a situation, problem, or strong emotion
climaten: the weather in a particular location averaged over some long period
toxicadj: of or relating to or caused by a poison; poisonous
algaen: A simple plant that grows in or near water and lacks typical leaves and roots
thrivev: to grow vigorously; to make steady progress
harmlessadj: not able or not likely to cause damage or harm
ingestv: to take food or drink into the body, often through the mouth; to absorb or assimilate something, often used to describe the intake of information or knowledge
domoicadj: related to or containing domoic acid, a toxic compound produced by some types of algae and found in certain shellfish and fish
acidn: sour; water-soluble chemicals with a sour flavor; any of a variety of generally liquid compounds capable of reacting with and occasionally dissolving other materials
triggerv: to make something happen suddenly; to cause something such as a device, machine, etc. to function
seizuren: the action of taking something from somebody by the use of legal authority; a sudden occurrence or recurrence of a disease
damagev: to harm or cause injury to something or someone, often resulting in decreased value or functionality; to impair or negatively affect something, such as a reputation or relationship; (noun) harm or injury that is caused to a person, thing, or entity
bloomn: a flower, especially one having showy or colorful parts; the best time of youth
tragicadj: causing great sadness or suffering; very unfortunate
discoveryn: the act or process of finding information, a place, or an object, or learning about something that was previously not known
communaladj: belonging to or used by a group rather than individuals; for common use
maritimeadj: relating to or connected with the sea, especially about shipping, navigation, or commercial activity
inhabitv: to live in a specific location; to reside
equipv: to provide a person or a place with the things that are needed for a particular purpose or activity
creaturen: a living being, especially an animal