这事看起来不会变生，所以很能理解，你会对此感到很震动。

The episode will surface out of nowhere and you will not see it coming, so understandably it will have quite a jarring effect on your nerves.

youdao

也有特别的人，觉得纹身机在皮肤上的震动像按摩，很舒服而纹身上瘾的。

There are also special people that tattoo machine vibration on the skin like a massage very comfortable and the tattoos addictive.

youdao

离子发动机只发出很微弱的震动。

Ion engines give a pretty feeble kick.

youdao

Here is the pitch in--of--a string an octave higher so you can see it this way. As you probably know, if you take a long string and pluck it, it's going to take that long string a long time to pass that sort of cycle, if you will, just one pass through that cycle.

这也是个音高,一个高八度的音弦,你可以这样这样看 你们可能知道,如果你拨动长弦,长弦要经过很长时间,才能完成一个震动周期,如果你想,可以尝试下

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