The sky came over dark as a thick cloud passed before the sun.

乌云蔽日,天色一时昏暗起来.

《简明英汉词典》

He strained his eyes to penetrate beyond the thick cloud of dust.

他竭力想透过尘埃看清那边的东西.

辞典例句

The entire region is covered in thick cloud.

整个地区乌云密布.

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Thick cloud blotted out the view.

云层把风景遮住了.

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A thick cloud rolled rapidly across the sands , darkening the sky with a dense green haze.

只看见一片稠密的云雾正快速的席卷沙漠, 那浓得化不开的绿色阴霾遮蔽天日.

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The amount of thrust needed to move its chunky frame stirred up a thick cloud.

为了移动它矮胖的身躯,需要用到大量的推进力,但是却因此扬起厚重的尘云.

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