Pneumeter
唿吸气量测定器
🗣️ 情景例句
How much do I owe you?
我应付多少？
When the accident happened, I was cleaning the car.
当意外事故发生的时候，我在清理汽车。
Advertisers discovered years ago that all of us love to get something for nothing.
做广告的人们多年前就发现我们大家都喜欢免费得到东西。