Gerotor
内齿轮油泵
🗣️ 情景例句
I wish you'd stop nagging me.
我希望你别老这么烦我。
At this moment, I feel agreeable to that.
现在嘛，我不妨赞成它。
and mechanical systems like a wound watch, or the sun,
像上紧发条的手表那样的机械装置，或太阳，