Gemmology
n. 宝石学
🗣️ 情景例句
I thought that was Nat Baker who rang the front doorbell.
我还以为是Nat Baker 按大门门铃呢。
There may be different ways of doing business.
有很多不同的方式。
No, I think it is going to be mailed to your local branch.
不，寄到分社。