吃透英语课本，提升在校竞争力
n. 笔；“pen”的复数
原型：pen
I can put my pens, pencils and rulers in this big can.
我可以把我的钢笔，铅笔和尺子放在这个大金属罐里。
I need a knife and some pens.
我需要一把刀和一些钢笔。
I'm going to get my coloured pens.
我要去取我的水彩笔。
He took the pen, and set himself to work.
他拿起笔，开始写起来。
The Clerk scratched his nose with his pen.
书记员用钢笔挠了挠鼻子。
