n.圆珠笔,原子笔
ballpoint的复数

原形：ballpoint复数：ballpoints

I prefer using a ballpoint pen for signing documents, as it glides smoothly and doesn't smudge.
我更喜欢用圆珠笔签名，因为它流畅不晕染。
Could you pass me that blue ballpoint? I need to jot down some notes.
你能把那只蓝色圆珠笔递给我吗？我需要记点笔记。
The ballpoint pen's ink has dried up; I can't write anymore.
这支圆珠笔的油墨干了，我写不出来了。
In school, we were always advised to use ballpoint pens for exams to avoid ink spills.
在学校，我们总是被建议在考试中使用圆珠笔以防止墨水溅出。
Ballpoint pens are more practical for everyday use than fountain pens.
圆珠笔比自来水笔更适合日常使用。
She signed the contract with a sleek black ballpoint pen, sealing the deal.
她用一支光滑的黑色圆珠笔签了合同，达成了协议。
My grandfather collects vintage ballpoint pens from different eras.
我祖父收藏各种不同年代的老式圆珠笔。
The ballpoint pen was a revolutionary invention in the world of writing instruments.
圆珠笔是书写工具领域的一项革命性发明。
The ballpoint pen I'm using has a comfortable grip, making it easy to write for long periods.
我正在用的这支圆珠笔握感舒适，长时间写字也不累。
Unlike a rollerball pen, a ballpoint requires less pressure while writing.
与滚珠笔不同，圆珠笔书写时需要的压力较小。