a pen that has a small metal ball as the point of transfer of ink to paper
同义词：ballpoint pen, ballpen, Biro
ballpoint例句
The boys were bickering over some ballpoints.
那些男孩子为几支圆珠笔而争吵起来了。
Can you give me two refill of each color for the ballpoint pen?
能不能请价钱给这支圆珠笔每种颜色配两根替换笔芯？
ballpoint详细解释
ball.point n.（名词）A pen having as its writing point a small ball bearing that transfers ink stored in a cartridge onto a writing surface.圆珠尖,球尖：有一小滚珠做为书写点的笔，可将贮存于笔管中的墨水传送到书写面上
