cap of a pen, pencil or writing brush
This is the cap of my fountain pen.
这是我的自来水笔的笔套。
—— 辞典例句Put the top back on that felt - tip pen or it will dry out.
给毡头笔套上笔帽,不然就乾了。
—— 辞典例句Carrying two or three pens in your pen case should be enough.
笔套里有两三支笔就足够了。
—— 给力词典精选It comes in a velvet and the high - quality refill can be replaced.
这款圆珠笔备有丝绒笔套,内里的笔芯质量卓越,并可更换。
—— 给力词典精选The student twisted the cap off a fountain pen.
那个学生把自来水笔笔套拧开了。
—— 给力词典精选