The sun disappeared behind the cloud.

太阳在云层后面消失了。

youdao

The sun emerged from behind the cloud.

太阳从云彩后面出来了。

youdao

The dust behind us grew closer and thickened into a cloud.

我们身后的尘土越来越密，变成了浓密的一团。

《柯林斯英汉双解大词典》

Most of the music processing technology behind Zya is in the cloud, so it only requires a small download.

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The business model behind cloud services is similar to the business model behind established communications network services.

FORBES: Magazine Article

The whole idea behind cloud computing is that you don't care where the data is going and where it's being processed.

FORBES: Cloud Computing Isn't For Everyone