Pressuretightness
气密性
🗣️ 情景例句
Let's take a ten-minute break.
我们休息十分钟吧。
We are sure to defeat them.
我们一定会打败他们。
So she was first in the queue. She sat nearest to the doctor's door.
所以她第1个排队。她坐的位子靠医生的门口最近。