Tool sharpening
[机] 磨刀刃
🧩 词语组成解析
tool
[tul]
n. 器具，工具;（有助于做工或完成某事的）用具;受人利用的人;压印机;
vt. 用工具给…加工;压印;驾车到处跑;
vi. 使用工具;开车，乘车;
n. 加强；刻石；削尖；锐磨
🗣️ 情景例句
There's another advanced class today at four o'clock.
今天下午四点钟还有一次高级班。
I'd like to make an appointment with Professor Smith. Would 9:00 tomorrow be all right?
我想和史密斯教授约个会面时间。明天9点行吗？
As the man came near, the prisoner knocked him to the ground with a sharp blow.
当这个人走近时，战俘一拳把他打倒在地，