Tra từ ballpoint - Từ điển Oxford Advanced Learner 8th

Từ điển Oxford Advanced Learner 8th

ballpoint ball·point [ballpoint ballpoints] BrE [ˈbɔːlpɔɪnt] NAmE [ˈbɔːlpɔɪnt] (also ˌballpoint ˈpen) noun a pen with a very small metal ball at its point, that rolls ink onto the paper compare Biro