Hardening
n. 硬化, 淬火\\n[计] 硬化, 固化, 淬火
✅ 同义词
🗣️ 情景例句
How was your school-board meeting last night?
昨天晚上你们的联合校董会会议开得怎么样？
I've bee invited over to a friend's, and you?
有个朋友请我去作客，你呢？
Your Chinese is really surprising.
你的中文令人惊讶。