Monica picked up her Biro and revolved it between her teeth.莫妮卡拿起她的伯罗圆珠笔，放在牙齿间转动着。You may write in biro or pencil.你用圆珠笔或铅笔书写均可.Laszlo Biro invented ball - point pen.拉斯烙-拜罗发明了圆珠笔....

n.圆珠笔的一种...

Biro的音标：Biro的英式发音音标为：['baɪrəʊ]Biro的美式发音音标为：['baɪroʊ]...