Ballpoint Universe圆珠笔宇宙
Ballpoint Barber圆珠笔理发师
ballpoint t圆珠笔
Ballpoint Pens圆珠笔;原子笔;宝珠笔
pen ballpoint圆珠笔
ballpoint inks圆珠笔字迹
Ballpoint Pen圆珠笔;原子笔;圆珠笔系列;原珠笔
blue ballpoint蓝圆珠笔油墨
Or A Ballpoint或者一支圆珠笔
N-COUNT（可数名词） A ballpoint or a ballpoint pen is a pen with a very small metal ball at the end which transfers the ink from the pen onto a surface. 圆珠笔