基本解釋圓珠筆同根派生 ball-point相關詞英漢例句There is only one ball pen in the pencil box.這鉛筆盒里只有一支圓珠筆。No ball point within a quarter of a mile was safe from his stubby little fingers.凡在四分之一哩范圍內的圓珠筆沒有哪一支能逃過他粗短的小手指。ball-point更多例句