Hallmarking
v. 给（金、银）打上纯度印记( hallmark的现在分词 )
🗣️ 情景例句
I know, Sam.
我知道，Sam。
We have a lot of invitation cards, but they are all for the same date.
我们接到了许多请帖，但是上面的日期却全都是同一天。
We were getting very worried.
我们都非常担心呢。