Black clouds blocked out the sun.

乌云遮住了太阳。

《牛津词典》

The lightning flashed out from the black clouds.

乌云中电光闪闪。

《新英汉大辞典》

As the sun emerged from the black clouds, our hearts lifted for we could go out to play in the park again.

当太阳从乌云后露出来时，我们非常开心，因为我们又可以去公园玩了。

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There was the wonder I felt when I saw a brace of mountain like, spotted, black-and-white horses clopping down a dusty road through clouds of powdered clay.

我觉到很美妙,当我望见一大群如山般高大的，黑白斑点马压过土路,我觉到很快乐。

耶鲁公开课 - 1945年后的美国小说课程节选

Then, boom after boom shook the ground, sending giant black clouds over the fields.

CNN: Iraqi farmer leaves life of fear behind

Having squandered one set point on the Tipsarevic serve, the set was left at 5-2 when the black clouds finally burst and play was suspended.

BBC: SPORT | Tennis | Rain delay halts Murray fightback

Home will keep you rooted through the black clouds of living!

NPR: Excerpt: 'The Garden Angel'