Peirameter
牵引功率计
🗣️ 情景例句
Well, she'll be here later.
来 她会晚一点。
When love puts in, friendship is gone.
爱情入，友谊出。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，