及物动词
1. I penned a letter to my aunt today.
今天我写了一封信给姑妈。
名词
1. pen
1. The contract must be signed with a pen, not a pencil.
这合同一定要用钢笔而不用铅笔签字。
2. He has a lively pen.
他的文笔生动逼真。
3. The dog chased the sheep into the pen.
狗追赶羊入栏。
4.
4. He lives by his pen.
他以写作为生。