ballpoint [ˈbɔlˌpɔɪnt]

例句:

• I took a ballpoint pen and punched a hole in the carton.
  我拿了一支圆珠笔，在纸盒上戳了一个洞。
  来自柯林斯例句
• Excuse the funny stationery, excuse the crappy ballpoint pen.
  来自NEWYORKER
• The diary comes complete with a gold-coloured ballpoint pen.
  这个日记本配有一支金色的圆珠笔。
  
• He snapped the cap on his ballpoint.
  他吧嗒一声把笔帽扣在了圆珠笔上。
  
• She...spread out her pad, ballpoint pen, and a box of tissues.
  来自J. Rossner
• Pushing the button on top exposes the roller, like clicking a ballpoint pen.
  来自WSJ