Gemmologist
n. 宝石学家
🗣️ 情景例句
That's fine. I'll await his return call.
很好。我会等他的来电。
How much is a call to the United states?
打一个电话到美国去需要多少钱？
I wonder if they can make it.
我在想他们是不是能办得到。