Future Literacy 250-2 영영 Unit 09

교육안내

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세트공유

reach

v. to be able to touch
Think of where your water comes from before it reaches you.

temperature

n. measurement of the heat
When the temperature is below zero degrees Celsius, it falls in the form of snow.

below

prep. in or to a lower place
When the temperature is below zero degrees Celsius, it falls in the form of snow.

rainwater

n. water that falls as rain
Some of this rainwater will stay on the land, but most of it flows into rivers and streams.

stream

n. a natural flow of water that is smaller than a river
Some of this rainwater will stay on the land, but most of it flows into rivers and streams.

circulation

n. a series of changes that happen naturally
Finally, it goes back to the oceans, where the circulation begins again.

billion

n. one thousand million; 1,000,000,000
Water has been going through this cycle for billions of years.

tap

n. a device for controlling the flow of a liquid or gas
You use water just by turning the tap on, but it goes through a long journey.

constantly

adv. all the time, continuously
Water constantly goes through this cycle.

process

n. movement through a system or cycle
The process begins with the oceans, which are the largest bodies of water on Earth.

ocean

n. the salt water that covers much of the Earth’s surface
The process begins with the oceans, which are the largest bodies of water on Earth.

phase

n. one step in a series or process
In the first phase of the cycle, the sun heats the water on the ocean’s surface...

heat

v. to make something warm or hot
In the first phase of the cycle, the sun heats the water on the ocean’s surface...

evaporate

v. to change from a liquid to a gas
...causing the warm water to evaporate into the air.

form

v. to give form or shape to something
The water in the air eventually comes together to form very large clouds.