阴天用英语怎么说写

"Overcast" 是阴天的英文表达。这个词来源于中世纪的英语中，表示天空覆盖着一层阴云。

例句：

The sky is overcast today, so it might rain. (今天天空阴沉，可能会下雨。)
We decided to stay indoors because the weather was overcast. (我们决定待在室内因为天气阴天。)
The overcast sky made for some beautiful photographs. (阴天的天空拍出了一些美丽的照片。)