/ˈbɔ:lpɔɪnt ||; ˈbɔlˌpɔɪnt/(also ˌballpoint ˈpen) noun [C] a pen with a very small metal ball at the end that rolls ink onto paper 圆珠笔；原子笔 ☞Look at Biro. 参看Biro。 ☞picture at stationery 见stationery插图