裁纸刀

例句：

1. 1. She used a paper cutter to trim the edges of her paper.
   她用裁纸刀修剪了她的纸张边缘。
2. 2. The scissors were sharp enough to cut through even the thickest paper.
   剪刀足够锋利，可以剪破最厚的纸。
3. 3. He carefully picked up the paper cutter and placed it back in its case.
   他小心地拿起裁纸刀，把它放回它的盒子里。