Pedrail
n. 履带, 履带式拖拉机
🗣️ 情景例句
I can speak English as far as foreign languages are concerned.
就外语来说，我只会讲英语。
I'm a graduate of Yale University.I have a Bachelor of Arts degree.
我是耶鲁大学的毕业生，我有文学学士学位。
Most of the earth's surface is covered by water.
大部分的地球表面被水覆盖着。