PEN

例句：

1. 1. I need to write my essay with a pen.
   我需要用笔写我的作文。
2. 2. The teacher asked us to use our pens to draw the picture.
   老师让我们用我们的笔来画这幅画。
3. 3. She carried her pen and notebook in her handbag.
   她用手包拿着她的笔和笔记本。