Cellphones
n. 蜂窝式便携无线电话；大哥大
🗣️ 情景例句
Michigan needs a touchdown.
Michigan队需要一次达阵得分。
He's a doctor.
他是医生。
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，