Pumometer
肺量计
🗣️ 情景例句
and that I care about our children.
而且知道我关心我们的孩子。
We are short of hands now.
我们现在人手不足。
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。