你有胳膊。动动它们。

You have arms. Move them.

youdao

唯一不同的是粒子的位置,或者它们的振动动能，等等。

The only thing you're going to change is the positions of the particles. Or their vibrational energy. Or something.

youdao

只要动动手指，你可以找到很多好的资源，所以不要担心会经常使用它们。

There are many great sources for sound at your fingertips, so don tbe afraid to use them often.

youdao