Those are procedurally generated clouds, Beth.

那些是程序生成的云，贝丝。

Sometimes dark clouds have silver linings.

有时山穷水尽，但总会柳暗花明。

The lecture was on cosmic gas clouds. That's funny!

那个演讲是关于宇宙气体云的。多有趣啊!

If there are dark clouds, we can expect rain.

如果有乌云，我们预计会下雨。

There are thunder clouds made of ammonia, sulfur and water.

有氨，硫磺和水组成的雷雨云。

They concluded that what Hubble had seen was probably just a transient dust cloud.

哈勃望远镜拍摄到的可能只是瞬间形成的粉尘云。

Many of the buildings touched the clouds.

很多高楼耸入云端。

Dark clouds are often treated as precursor of a storm.

乌云通常被当作暴风雨的前兆。

The wind blows away the clouds and sky is clear.

风把云吹散，天空变得明朗。

There will be heavy clouds over many areas tomorrow.

明天很多地区将会有多云的天气。

It's as if the trees breathe out clouds.

如同树木在呼出云。

Day and night, their chimneys belched out clouds of pollutants.

他们的夜不停地喷出一团团污染。

In the afternoon, there were black clouds in the sky.

到了下午，天空中出现了乌云。下。

Wildebeests follow rain clouds in anticipation of new green shoots.

角马群跟随乌云移动，以期找到新鲜的嫩草。

I thought it would rain. There were heavy clouds this morning.

我还以为要下雨呢， 早上有很多乌云的呀。

The sun, just risen, filtered its rays through thin grey clouds.

刚刚升起的太阳透过薄薄的灰色云层透出光芒。

We may never see what's beneath those majestic clouds.

我们也许无法看到在那些宏伟的云层下面有什么。

There are some clouds in the sky, but the sun is shining.

天空中飘着几朵云，但阳光灿烂。

What triggers these diffused clouds of dust and gas to collapse and transform?

是什么导致了这些四处弥漫的尘埃和气体团分解、变形？

They can also track changes in the climate by measuring the clouds.

他们还可以通过测量云层来追踪气候的变化。