Some leaves started to turn yellow and the weather became cool.

树叶开始变黄了，天气也转凉了。

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Most of the country is expected to enjoy relatively cool weather and moderate rains, especially in eastern and southern China, during the 3-day exam period.

尤其是我国东部和南部地区，天气相对凉爽，局部有阵雨，比较有利于考生发挥。

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At a wholesale vegetable market in Beijing, one manager says his costs have soared, as the products need to be transported in cool containers during the hot summer weather.

北京一个蔬菜批发市场，一名经理说他的成本已经猛增，因为夏天天气太热，这些产品都要装在冷却箱里进行运输。

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The best time to plant the seeds is during cool weather.

VOA: special.2009.04.28

As elsewhere on the coasts of the southern Mediterranean, winter weather can be changeable from day to day with cool, cloudy, rainy spells interrupting the generally warm, sunny, and settled weather.

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The popular topic of conversation is often one of the following: (a) methods of cooling off without breaking the bank, (b) vacation plans, (c) what to wear to keep cool, and (d) weather patterns across the country.

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It is also a challenge not to get lost in the glow of creating a really cool weather system, for example, that the player isn't even going to notice, much less enjoy.

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