在上海，乌云将整个天空遮蔽了，抑制了所有准备好看日蚀的人们的情绪。

In Shanghai, dark clouds left the sky overcast, dampening the mood for those all prepared to view the eclipse.

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最后，也就是距今三千多万年，太阳火红的大圆盘几乎将黑暗的天空遮蔽了十分之一。

At last, more than thirty million years hence, the huge red-hot dome of the sun had come to obscure nearly a tenth part of the darkling heavens.

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乌云铺开，遮蔽了整个天空。

The clouds had spread and covered the entire sky.

《柯林斯英汉双解大词典》