When we got back, I noticed a loud, high-pitched noise. It sounded like gas or steam escaping under pressure from the basement.

就在我们返回到住处的时候，我听到一种尖锐的噪声，这种噪声听上去像是来自地下室的受压气体或蒸汽的声音。

youdao

A high pitched squeaky noise doesn't do it the force of the high frequency sound wave does.

像“叽吱”（划玻璃）一样的高音调的噪音就做不到震碎玻璃，而高频率的音波却可以做到。

youdao

The effect of the vibrations is similar to that of high-pitched noise shattering glass.

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This noise consisted mainly of the high-pitched whirr of the CPU fan, but it was barely noticeable -- to the point where if you got distracted, you'd have to re-focus your concentration just to make out the sound.

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