Gerotor
内齿轮油泵
🗣️ 情景例句
I'd like to adopt her.
我愿意收养。
The tongue of idle persons is never idle.
懒汉的舌头并不闲。
Pretending to speak seriously, one of the workmen asked if he might make a telephone call before being taken to the station.
其中一个工人装模作样地问道，在被带往警察局之前，是否可以打一个电话。