4000 Essential English Words 2e 6 (2nd Edition) 영영 Unit 5

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세트공유

Celsius

n. a scale for measuring temperature.
Water freezes at zero degrees Celsius.

companion

n. someone spends a lot of time with.
I always walk to school with my companion Frank.

ecology

n. the study of the environment and living things
We study ecology to learn how to help improve the Earth.

feat

n. an impressive or difficult achievement or action
The elephant’s standing up on one leg was a feat.

infinite

adj. no limit or end
Many scientists believe that the universe is infinite.

coarse

adj. a rough texture.
The coarse sweater made my skin itch.

bizarre

adj. very strange
My bizarre dreams make no sense to me when I am awake.

duration

n. time during which it happens.
The girls watched television for the duration of the evening.

aquatic

adj. lives or grows in water
The dolphin is an aquatic mammal.

digest

v. swallow food and pass it through the body.
Allow some time for food to be digested before going swimming.

parasite

n. a tiny animal or plant that attaches to another animal to get food
The sick dog was covered in parasites.

vulnerable

adj. weak and without protection
He felt very vulnerable when he was stranded in the desert.

repetitive

adj. repeated many times and becomes boring
Working on an assembly line making cars every day is a repetitive job.

reproductive

adj. a living thing which can produce young
The reproductive system of a plant is simple.

nucleus

n. the central part of an atom or cell
The nucleus is made up of many tiny particles.

undergo

v. to have it happen to you
The cancer patient undergoes treatments twice a week.

prominent

adj. important and well known
Queen Victoria was a prominent person in history.

tolerance

n. the ability to accept something unfavorable
Boxers have a high tolerance for pain.

temperate

adj. never gets too hot or cold
In Peru, the weather is temperate and rarely gets too hot or cold.

biosphere

n. the regions of the surface and atmosphere of the Earth where living organisms exist
Birds, trees, and worms all thrive in the biosphere.