Rotometer
旋转流量计
🗣️ 情景例句
When you learn a new verb, learn its various forms.
学到了新动词时，记住它的各种形式。
They that marry in green,their sorrow is soon seen.
年纪轻轻就结婚，为时不久便悔恨。
but I can't decide yet.My wife must see it first.
但我还不能决定。我妻子必须先来看一看。