what's water cycle?什么是水循环?我要英文回答 - -

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what's water cycle?什么是水循环?我要英文回答 - -

what's water cycle?什么是水循环?我要英文回答 - -
what's water cycle?
什么是水循环?
我要英文回答 - -

what's water cycle?什么是水循环?我要英文回答 - -
这个我正好知道,今天上课自然课正好学了:the continuous process by which water moves from Earth's surface to the atmosphere and back.水在地球表面与大气中不断的循环.
有3步:evaporation(蒸发),condensation(凝聚),precipitation(降下)

The Earth's water is always in movement, and the water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above, and below the surface of the Earth. Since the wa...

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The Earth's water is always in movement, and the water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above, and below the surface of the Earth. Since the water cycle is truly a "cycle," there is no beginning or end. Water can change states among liquid, vapor, and ice at various places in the water cycle, with these processes happening in the blink of an eye and over millions of years. Although the balance of water on Earth remains fairly constant over time, individual water molecules can come and go in a hurry.

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