A pen in Engpsh is called a "pen".
The word "pen" comes from the Latin word "penna," which means "feather" or "wing". This is because in ancient times, pens were made from the feathers of birds, which were used to write on parchment or papyrus.
Example sentences:
I always carry a pen in my pocket.
Can you pass me a pen so I can sign this document?
The pen is mightier than the sword.
Example translations:
我总是随身携带一支钢笔。
你能给我一支笔吗，这样我就可以在文件上签字了。
笔比剑更强大。