pen的意思是钢笔、作家、围栏，是可数名词，复数是pens.
例句：
The pens sell for just 50p each.
这些钢笔每支只卖50便士。
Pens are kept in the middle drawer.
钢笔在中间那个抽屉里。
扩展资料
There are many books and pens.
这有许多书和钢笔。
There are two pens on the desk.
桌子上有两支钢笔。
Others prefer pens and pads.
其他人更喜欢笔记本和笔。
What color are these pens?
这些钢笔是什么颜色？
Look! Its my new pens.
看！这是我的新钢笔。
