pens
A pen is a long thin object which you use to write in ink.
A pen is a small area with a fence around it in which farm animals are kept for a short time.
a holding pen for sheep.
一个临时搭建的羊圈。
pens , penning , penned
If someone pens a letter, article, or book, they write it.
I really intended to pen this letter to you early this morning.
我本来真的打算今天一大早就给你撰写这封信的。
If people or animals are penned somewhere or are penned up, they are forced to remain in a very small area.
The cattle were penned for the night.
这头牛晚上被关了起来。
The animals were penned up in cages.
这些动物被关在了笼子里。