Invalidator
n. invalidate的变形
🗣️ 情景例句
No problem. I'm glad to help.
小事情，我很高兴这样做。
His apology didn't seem sincere.
他的道歉看起来不是真诚的。
Sorry, I don't know. My watch is at home.
对不起，我不知道，我把表放在家里了。