毛笔的英文：
writing brush

参考例句：

The duke wrote a letter with a quill pen.
公爵用一根羽毛笔写信。

(formerly)pen made from the hollow stem of quill
(旧时)(用羽毛管做的)羽毛笔.

With the emergence of other specialized tools like brushes, knives began to serve as“ erasers” to scratch off mistakes.
毛笔等专门的书写工具出现了，刀不再用于写字，而是用于刮掉人们写在竹、简上的错字，其作用就像今天的橡皮。

writing是什么意思：
n. 书写；写作；笔迹；作品
v. write的现在分词

By writing you learn to write
从写作中学写作

legible writing
字迹清楚的书写

Start out to write/with the intention of writing a novel
动笔[想]写一部长篇小说.

The Beautiful writing instrument will add Brilliance to what you write.
漂亮的书写工具，令您笔下生辉!

Do not write so large.
不要把字写得这么大。

brush是什么意思：
n. 刷子；画笔；刷，梳，擦
v. 刷，写，画，拂；擦过，掠过

shifting of brushes
电刷的移位;电刷位移

That sweater is not brushed.
那件毛衣不会起绒。

The brush of a fox.
一只狐狸的毛茸茸的尾巴

I paint with a brush.
我用画笔作画。

She brushed past him.
她和他擦肩而过。