名词
中文翻译：多云
同义词：
['overcast', 'overshadowed', 'hazy例句：1. The sky was overcast with heavy clouds.（天空被厚厚的云层笼罩。）']
例句：
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1. The sky was overcast with heavy clouds.
天空被厚厚的云层笼罩。
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2.The sun is often hidden behind the overcast clouds.
阳光经常被阴云遮挡。
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3.The rain made everything look overcast and gloomy.
雨让一切都显得阴沉。