柯林斯詞典sharpener /??ɑ?p?n?/ (sharpeners) 1. N-COUNT A sharpener is a tool or machine used for sharpening pencils or knives. 磨具; 卷筆刀 ...a pencil sharpener. …一個卷筆刀。 返回 sharpener劍橋詞典a machine or tool for making things such as pencils or knives sharper 磨具；削具 a pencil /knife sharpener 卷筆刀／磨刀石 返回 sharpener