Hallmarking
v. 给（金、银）打上纯度印记( hallmark的现在分词 )
🗣️ 情景例句
Yes. Yes, sir.
是的。是的。
Who called a while ago?
刚才谁在打电话？
What will you do if you win a lot of money?
要是你赢了许多钱，你打算做什么呢？