Pitpan
n. 平底独木舟
🗣️ 情景例句
and work begins at eight in the morning for me.
早晨八点我就得开始工作。
Now or never.
机不可失，失不再来。
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，