pen in

• 围来,关进围栏

pen in的用法和样例：

例句

1. He dipped his pen in the ink.
   他拿钢笔蘸墨水。

词汇搭配

• dip one's pen in gall 写恶毒文章
• dip the pen in gall 以恶毒笔调写...