All day today there was a heavy overcast.

今天一整天都是阴天。

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今天的几个句子是有关阴天的：

1. It was cloudy yesterday. 昨天是阴天。

2. It's gloomy and it looks like rain. 阴天，像要下雨了。

3. Uh-oh, I hate cloudy weather. 喔，我烦死阴天了。