所有的乐器都有不同的声音，它们演奏的部分相互融合、协调。

All of the instruments have different sounds, and the parts they play blend and harmonize with one another.

youdao

这些声音比它们所打破的寂静还要沉闷。

The sounds were yet more dreary than the silence which they interrupted.

youdao

如果定期服用，它们会导致声音肌肉变薄。

If they are taken regularly, they cause a thinning of the voice muscle.

youdao

They're just sitting there, but they are listening for something we'll see in a moment.

它们一直在那里，但是正在听着什么声音，我们等会再看。

哈佛公开课 - 计算机科学课程节选

All right, turn them off. If they have to make noise as you turn them off, turn them off, but that's it. So, when you walk through that door, it's an act of free will.

好了，把它们关掉，如果一定要发出声音,当关机的时候，也要关机，就这样，当你走进那扇门，这是自由意志的选择。

麻省理工公开课 - 固态化学导论课程节选

I see them. I hear them.

我可以看到它们,可以听见它们的声音

耶鲁公开课 - 死亡课程节选