Regula
n. 平条；边条；方嵌条
🗣️ 情景例句
Thanks, Richard.
谢谢 ，Richard。
Where your will is ready, your feet are light.
下定了决心，脚步就轻盈。决心一下，脚下生风？
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，