The weather changes with seasons.

气候随着季节而变化。

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Further up, the weather changes—low clouds envelop the mountainsides, which are covered with thick grass.

再往上走，天气就变了——低云笼罩着被厚厚的草覆盖的山腰。

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People in these states have more heart trouble after the weather changes in February or March.

在二月或三月的天气变化之后，这些州会有更多人患上心脏病。

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The seeds and pollen, or the lack of them, can show severe weather changes over thousands of years.

VOA: special.2010.04.07

She can get to know her neighborhoods paths, enjoy the trees and experience the changes in weather.

VOA: special.2009.12.04

Scientists say small changes in the sun's brightness can produce effects on Earth similar to two weather events in warm waters of the Pacific Ocean.

VOA: special.2009.09.29

The scientists said there was no evidence that the weather changes were a result of Man-made climate change.

BBC: UK experiences 'weirdest' weather

On the mountain the weather changes fast, you have to be prepared and move quickly to survive and succeed.

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He said the incident was probably the result of "recent weather changes we are having - particularly heavy rain fall and the start of a cold snap".

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