n.卷笔刀，磨具，削具

原形：sharpener复数：sharpeners

I need to borrow a pencil sharpener, my铅笔钝了。
The teacher keeps a desk drawer filled with pencil sharpeners for the students.老师的抽屉里放满了卷笔刀供学生们使用。
Can you pass me that electric sharpener over there?你能把那边的电动卷笔刀递给我吗？
The old-fashioned sharpener has a slot for the pencil and a crank to turn.这种老式的卷笔刀有一个插铅笔的孔和一个转动的手柄。
The kids were lined up at the wall-mounted pencil sharpener.孩子们排成一行在墙壁上的卷笔刀那里削铅笔。
A blunt pencil is no good, you'll need to use the sharpener.钝的铅笔没用，你需要用卷笔刀。
The classroom had a variety of pencil sharpeners, from manual to electric.教室里有各种各样的卷笔刀，从手动到电动都有。
She used the sharpener to hone her pencil to a fine point.她用卷笔刀把铅笔削得尖尖的。
The office supply store sells different types of pencil sharpeners for various needs.办公用品店出售各种类型的卷笔刀以满足不同的需求。
After sharpening, the pencil had a fresh, clean edge.削尖后，铅笔有了崭新干净的边缘。