“画笔”常见的英文表达是 paintbrush(英式和美式通用) ,也可写作 paint brush(分开写时,两个词都需小写,且更口语化、随意一些)。
例句:
She picked up a paintbrush and started to paint.(她拿起画笔开始画画。)
The artist has a collection of high-quality paintbrushes.(这位艺术家收藏了一批高品质的画笔。)