Jan: Yes, no pollution and no noise. Just peace and quiet.

简：是啊，没有污染和噪音。只有祥和与宁静。

youdao

The early morning is peaceful -there are no interruptions and no noise.

早晨是那样宁静——没人打扰，没有噪音。

youdao

And I just stood there and watched it, and what it was doing. And it was just coming down out of the sky real slow, and no noise.

我只是站在那里看它，看它在做什么。它只是非常缓慢地从天空上下来，而且没有噪音。

youdao

The craft could gather intelligence data for defense purposes it has no radar cross-section and makes no noise.

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Having no propellers and no engine noise, they are difficult to detect.

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And with no engine noise, the Model S rolls with a quiet coolness.

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