动词
中文翻译：使锋利
同义词：
['re-sharpen', 'sharpen例句：1. The knife was presharpened before use.（这把刀在使用前被重新磨利了。）']
例句：
-
1. The knife was presharpened before use.
这把刀在使用前被重新磨利了。
-
2.The steel was presharpened to make it sharper.
这把钢刀被重新磨利，使其更锋利。
-
3.The axe was presharpened for cutting wood.
斧头被重新磨利，用于砍伐木头。