Widia
[机] 锻结碳化物
🗣️ 情景例句
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
Just lately I've caugth up to my works.
最近我的工作忙死了。
Where do you want me to sign?
你要我签在哪里？