Biro™
noun/ˈbaɪrəʊ/
/ˈbaɪrəʊ/
(plural Biros)
(British English)- a plastic pen with a metal ball at the top that rolls ink (= coloured liquid for writing, etc.) onto the paper
伯罗圆珠笔 Word Origin1940s: named after László József Bíró (1899–1985), Hungarian inventor of the ballpoint.