The leaves of staghorn sumac trees gradually turn a brilliant red as cool autumn temperatures creep in.

在秋凉温度步步紧逼之下，鹿角漆树的叶子逐渐变成了鲜红色。

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The ventilators cool down the radiators. In summer the noise is terrible. Right now there is no voltage here, works will start in autumn.

排气风扇冷却散热器，在夏天，噪音是可怕的，现在这里没有电压，工程将于秋天开始。

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In autumn, it is cool.

在秋天，天气凉爽。

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The sea ice expanded during Southern Hemisphere autumn and winter in response to the development of a fresh, cool surface water layer, which floated on the denser, warmer salty sea water below.

BBC: Melt may explain Antarctica's sea ice expansion