[n] a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation
The hypothesis that the Earth is flat is scientifically proven wrong.
지구가 평평하다는 가설은 과학적으로 틀렸다고 증명되었다.
demonstrate
[v] to prove or show clearly by giving proof or evidence
The researchers attempted to demonstrate the effects of their new medicine.
연구자들은 그들의 새로운 약의 효과를 입증하려고 시도했다.
mass
[n] the amount of matter in an object, typically measured in kilograms or grams
To calculate your body mass, you can use your weight and height.
체질량을 계산하려면 체중과 키를 사용할 수 있습니다.
resistance
[n] the act of opposing or withstanding something that hinders or obstructs movement or progress
The shape of a bird’s wing helps to reduce wind resistance.
새의 날개 모양은 바람의 저항을 줄이는 데 도움이 된다.
enormous
[adj] extremely large in size, extent, or intensity; huge
Adult elephants are enormous in weight.
성인 코끼리는 무게가 엄청나다.
hypothetical
[adj] assumed or supposed for the sake of argument or investigation; not necessarily real or true
The hypothetical stories from old novels and movies are becoming a reality.
오래된 소설과 영화 속 가상의 이야기들이 현실이 되고 있다.
by a factor of
to the extent or degree of a specified amount; used to express multiplication or proportional increase
The population of the city has grown by a factor of three in the last decade.
지난 10년간 그 도시의 인구는 3배 증가했다.
properly
[adv] in a correct, suitable, or appropriate manner; according to accepted standards or rules
The machine isn’t functioning properly now.
그 기계는 지금 제대로 작동하지 않고 있다.
proportion
[n] a part, share, or number considered in comparative relation to a whole; the ratio of one thing to another
She saves a lot of money in proportion to her income.
그녀는 자신의 수입에 비례하여 많은 돈을 저축한다.
emission
[n] the act of sending out or giving off something, such as gas, light, heat, or sound
We should reduce the emission of carbon dioxide into the atmosphere.
우리는 대기 중으로 배출되는 이산화탄소를 줄여야 한다.
generate
[v] to produce, create, or bring into existence
Wind turbines are used to generate electricity.
풍력 터빈은 전기를 생산하는 데 사용된다.
accumulate
[v] to gather together or collect gradually over time; to build up or amass
He mainly accumulated his wealth by trading stocks.
그는 주로 주식 거래를 통해 부를 축적했다.
swear
[v] to make a serious promise or declaration, often invoking something sacred as witness
She made him swear to secrecy.
그녀는 그에게 비밀을 지키겠다고 맹세하게 했다.
inconstant
[adj] changeable in feelings, intentions, or behavior; not staying the same; fickle or unpredictable
The weather today is expected to be inconstant.
오늘 날씨는 변덕스러울 것으로 예상됩니다.
gravity
[n] the force that attracts objects toward the center of the earth or toward any other physical body having mass Gravity enables us to stand on the ground.
중력은 우리가 땅에 서 있을 수 있게 해준다.
friction
[n] the resistance that one surface or object encounters when moving over another
Our ancestors made fire through friction.
우리 조상들은 마찰을 통해 불을 만들었다.
rotation
[n] the action of turning around a central point or axis; the movement of an object spinning on its own axis
The rotation of the planet Jupiter is very fast.
목성의 자전은 매우 빠르다.
indicate
[v] to show, point out, or make something known
The position of the sun indicates the directions.
태양의 위치는 방향을 나타낸다.
tilt
[v] to move into a sloping position; to lean at an angle
The tower began to tilt.
탑이 기울기 시작했다.
axis
[n] an imaginary line through the center of an object around which it rotates or is symmetrically arranged
The merry-go-round turns on its axis.
회전목마가 축을 중심으로 돈다.
stabilize
[v] to make or become steady, firm, or unlikely to change
They stabilized the bridge with steel beams.
그들은 강철 보로 다리를 보강했다.
vary
[v] to change or differ; to become different
The weather varies a lot day by day.
날씨가 매일매일 많이 변한다.
hemisphere
[n] half of the Earth, especially when divided by the equator or a meridian
The seasons are opposite in the southern hemisphere.
남반구에서는 계절이 반대이다.
shift
[n] a change in position, direction, or tendency
A shift in the wind brought rain.
바람이 바뀌면서 비가 내렸다.
uninhabitable
[adj] not suitable or safe for people to live in
The old house is totally uninhabitable.
그 오래된 집은 완전히 살 수 없는 상태이다.
concentration
[n] the amount of a substance contained in a given volume or area; the action or state of focusing one's attention or mental effort on a particular object or activity
Ramyeon has a high concentration of salt.
라면은 염분 농도가 높다.
indispensable
[adj] absolutely necessary; essential; cannot be done without
Air conditioners are now indispensable as temperatures rise.
기온이 상승하면서 에어컨은 이제 없어서는 안 될 필수품이 되었다.
external
[adj] relating to or situated on the outside; coming from or existing outside of something
They remodeled the external walls of the building.
그들은 건물의 외벽을 개조했다.
spiracle
[n] a small opening or pore through which air passes for respiration, especially in insects and other arthropods
Insects usually have spiracles to breathe along the sides of their bodies.
곤충은 보통 몸의 측면을 따라 호흡하기 위한 기문을 가지고 있다.
ecological
[adj] of or relating to ecology or the environment and the relationships between living organisms and their surroundings
City development can harm the ecological balance.
도시 개발은 생태 균형을 해칠 수 있다.
disrupt
[v] to interrupt or prevent the normal progress or activity of something
The storm disrupted the power supply.
폭풍이 전력 공급을 중단시켰다.
alter
[v] to change or make different; to modify or become different
They will alter the plans for the trip.
그들은 여행 계획을 변경할 것이다.
predator
[n] an animal that hunts, kills, and eats other animals for food
The lion is a predator in the grasslands.
사자는 초원의 포식자이다.
prey
[n] an animal that is hunted and killed by another animal for food
The wolf found its prey in the forest.
늑대는 숲에서 먹이를 찾았다.
break down
to separate something into smaller parts or components; to analyze something by examining its individual elements
Bacteria in the soil break down organic matter into nutrients.
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