黎明时分天气阴沉，云幕低垂。

The day dawned sunless and with a low cloud base.

夜很黑，星星都躲在云的后面。

The night was dark, the stars hidden behind cloud.

我们能从云缝里看到月亮。

We could see the moon through a break in the clouds.

太阳破云而出。

The sun burst through the clouds.

看那些云的样子，我觉得可能要下雨。

I don't like the look of those clouds.

毛毛雨现在已经停了，太阳正破云而出。

The drizzle had now stopped and the sun was breaking through.

天空几乎完全被云所遮蔽。

The sky was almost entirely obscured by cloud.

云卷云舒随风起。

The clouds massed, whipped up by the wind

破云而出的阳光透过窗户送来一束琥珀色的光线。

A burst of sunshine sent a beam of amber light through the window

云仙山今天一直在向外喷涌火山灰、气体和火山岩。

Mount Unzen has been spewing out volcanic ash, gas, and rock today

爆炸冲击波使含有有毒气体的蘑菇云腾空而起。

The blast sent a huge mushroom cloud of toxic gas into the air.

他们报告说，云是影响气候的一个重要因素，但迄今为止没有进行过研究。

They reported that clouds are an important and heretofore uninvestigated contributor to the climate.