Ballpoint
01
圆珠笔, 原子笔
a pen with a small metal ball at its tip that puts the ink on paper when it rolls
例子
She always carries a ballpoint pen in her purse for jotting down quick notes.
她总是在包里带一支圆珠笔，以便快速记笔记。
The office supplies included a box of blue and black ballpoints for the staff.
办公用品包括一盒供员工使用的蓝色和黑色圆珠笔。
