给你谢谢知道是什么发出卡嗒声了吗？

There you go. Thanks. Figure out what's making that rattle?

youdao

一种铰接的阀，只容许流体单向流动，关闭时发出卡嗒声。

A hinged valve that permits fluids to flow in only one direction and clacks when the valve closes.

youdao

现代风格通常是跳舞时拿着一些花，一只手拿着一种会发出卡嗒声的乐器。

The modem style is usually danced with flowers and a kind of musical instrument, those things you hold in one hand, they make a clicking sound.

youdao