Sharpening
n. 加强；刻石；削尖；锐磨
✅ 同义词
🗣️ 情景例句
I have been exposed to languages such as English, Spanish, and French.
我接触过英语、西班牙语和法语。
Don't play innocent.
别装蒜！
Excuse me! Are you Mr. Green?
请问，您是格林先生吗？