The weather gets cooler after a shower.
下过阵雨之后，天气转凉了。
As the weather gets cooler and cooler, some birds will fly to the south to spend the freezing winter.
由于天气越来越冷，一些鸟儿将飞到南方去渡寒冬。
Autumn is the third season of the year. Autumn begins around September, the weather gets cooler. The days get shorter and shorter.
秋天是一年当中的第三个季节。秋天大约从九月份开始。天气变得越来越凉爽。白天也变得越来越短。
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