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 (23 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.

smartphonen: a mobile phone that functions as a computer and connects to the Internet
fractionn: a small part or item forming a piece of a whole; the quotient of two rational numbers
splitv: to divide, or to make something divide into two or more parts, especially along a particular line
componentn: one of several parts that combines with others to form something bigger
preciousadj: uncommon and extremely valuable
cachen: a collection of items hidden away or stored for future use; (computer science) memory that is set aside as buffer storage that is frequently updated
reclaimv: to take back something previously lost, given, or paid, or ask to have it back
chemicaladj: relating to or connected with chemistry;
dividev: to separate or cause to separate into parts or groups
criticn: someone who expresses opinions about the quality of books, music, etc.
crustn: a hard outer layer that forms on the surface of a liquid as it cools or on a solid as a result of exposure to air or moisture
concentrationn: the ability to focus all your time and energy on one thing without thinking about anything else.
magneticadj: having the properties of attracting or repelling certain materials containing iron or steel
phosphorescencen: a form of luminescence that continues to emit light after direct exposure to a light source has ended; a glowing or luminous quality, often associated with living organisms or minerals
conductivityn: the quality of a material’s ability to conduct electricity, heat, etc.
crucialadj: extremely vital or necessary
modernadj: of or belonging to the present time or recent times
electronn: a tiny particle with the negative electrical charge
displayv: to exhibit or show something to others, often to attract attention or demonstrate its features, properties, or value
aidn: things sent to help countries in need, notably food or money; support
vibrationn: a continuous quick and slight shaking movement
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
disturbv: to interrupt someone who is trying to work, sleep, etc.
environmentn: the natural world such as air, water, and land in which humans, animals, and plants live
economicaladj: providing a satisfactory return on the money, time, or effort; not using more money, fuel, etc. than necessary
feasibleadj: capable of being or likely to be made, done, or achieved
pitn: a hole in the ground or a cavity in a surface; a place for storing or holding something; a section of a theater or sports arena where people can sit
exposev: to show something by uncovering it; to make something accessible to some action or influence
vastadj: enormous in size, number, amount, or quantity
destroyv: to ruin or damage severely or completely; to eradicate or eliminate completely
swathn: a strip of land, especially a long, narrow one; a large amount or quantity of something
pollutionn: the introduction of harmful substances or waste into the natural environment that causes adverse change
threatenv: to utter intentions of injury or punishment against someone
communaladj: belonging to or used by a group rather than individuals; for common use
ingredientn: one of the things used to make something, especially one of the foods used to make a particular dish
palladiumn: chemical element with the symbol Pd and atomic number 46, which is a rare and lustrous metallic element often used in alloys, electronics, and catalytic converters
aluminumn: a chemical element with the symbol Al that visually resembles silver, used especially for making cooking equipment and aircraft parts
platinumn: a dense, precious, silvery-white metal with the atomic number 78 and the symbol Pt that is highly resistant to corrosion and tarnishing, often used in jewelry, coins, and industrial applications
tungstenn: a hard, dense metallic element with the symbol W (from its German name, Wolfram) and atomic number 74, which has high melting and boiling points, often used in electrical wiring, light bulb filaments, and other high-stress applications
tinn: a silvery-white metal that is typically soft and malleable, often used to make containers or packaging materials; a thin sheet of metal or metal alloy used for a variety of purposes
magnesiumn: a silvery-white metal with the symbol Mg and atomic number 12, which is the eighth-most abundant element in the Earth’s crust and is used in the production of various alloys, as well as in biomedical research and as an important nutrient for plants and animals
lithiumn: a soft, silvery-white metal that is highly reactive and used in batteries, alloy production, and medications for bipolar disorder
silican: a hard, brittle mineral that occurs as silicon dioxide in various forms such as quartz, opal, or flint, commonly used in various industrial applications, such as as an abrasive or filler
potassiumn: a chemical element with the symbol K, atomic number 19, that is essential for the functioning of living organisms
associatev: to mentally connect someone or something with someone or something else
destructionn: the act of causing so much damage to something
large-scaleadj: involving many people or things and involving a lot of change or activity
displacementn: the act of forcing someone or something to leave their home or place of origin, especially as a result of conflict, natural disaster, or manipulation
industrialadj: of or relating to or resulting from industry
frequentadj: happening constantly
laborern: a person who works hard physically, typically doing unskilled or manual labor; a worker or employee who performs physically demanding tasks
petroleumn: a flammable liquid consisting of a complex mixture of hydrocarbons that occurs naturally in certain rock formations and can also be refined to produce fuels such as gasoline, diesel, and jet fuel
climaten: the weather in a particular location averaged over some long period
entwinev: to twist or interlace two or more things or objects together; to interweave or interconnect in a complex way; to become deeply involved or entangled with another person or group
inextricableadj: unable to be separated or escaped from
planetn: any of the nine large celestial bodies that circle in the solar system; any celestial body that revolves around a star
conundrumn: a confusing and difficult problem or question
infiniteadj: unlimited or very great; impossible to measure
discoveryn: the act or process of finding information, a place, or an object, or learning about something that was previously not known
replacementn: the act of replacing something with something else, especially that is newer or better; a person or thing that takes or can take the place of another
steadyadj: firmly fixed, supported, or balanced; not shaking or moving
predictv: to state beforehand that something will happen in the future, mainly based on knowledge or experience
bountyn: a reward offered for capturing or killing someone or for accomplishing a specific task
swiftadj: happening, moving, or capable of moving quickly
necessityn: the state or fact of being needed; anything indispensable
minimizev: to make something, especially something bad, small or less serious
donatev: to give money, food, clothes, etc. to help a person or organization
charityn: an organization that helps people in need, especially by providing food, shelter, or money; a kindly and sympathetic attitude toward people
reusev: to use something again or more than once
e-wasten: electronic waste, particularly discarded electronic equipment such as computers, smartphones, and televisions
recyclev: to sort and collect things to process them and produce valuable materials that can be used again
facilityn: a building or place that provides a particular service or is used for a particular industry
refurbishv: to renovate or improve something old or worn out, typically by cleaning, repairing, or replacing parts to restore its original condition or appearance
scrutinyn: careful and detailed examination
dismantlev: to take apart or demolish (a structure, machine, system, or the like); to strip off fittings or equipment
intentionallyadv: in a planned or intended way
exportv: to send goods or services to another country for sale; to transfer electronic data out of a database or document in a format that other programs can use
laborn: productive work, especially physical work done for wages; the people who do manual or physical work in a country or company for wage; (verb) to work hard or to strive and make an effort to reach a goal
workforcen: all the people who work in a company, industry, country, etc.
underpaidadj: paid less than a fair or reasonable wage
disassemblev: to take apart, dismantle, or separate a device, machine, or other objects into its parts or components
exposedadj: having no protection or shield from something, such as bad weather, attack, or criticism
mercuryn: a heavy, silvery-white metal that is liquid at room temperature and is used in thermometers, electrical equipment, and other devices; (Mercury) the smallest planet and the nearest to the sun
permanentadj: lasting for a long time without essential change
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
nervousadj: worried and anxious about something; relating to the nerves
dumpv: to deposit or dispose of something, such as trash, waste, etc., carelessly or hurriedly
leachv: to remove or drain away something from a material, usually by seeping or filtering, such as chemicals from soil or minerals from rock
toxicadj: of or relating to or caused by a poison; poisonous
soiln: the top layer of Earth in which plants grow
originn: the first existence or beginning of something
assemblagen: a collection or gathering of things or persons; a group or ensemble of items that have been brought together in a particular way
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
inventionn: the creation of a new device or process resulting from study and experimentation; the act of inventing
sustainableadj: able to continue or be continued for a long time
widespreadadj: existing or happening in various places or among many people