Gemmologists
(gemmologist 的复数) n.宝石学家
🗣️ 情景例句
you're all going to have your tonsils out.
你们都要切除扁桃腺。
We made New York after dark.
我们在天黑后到达纽约。
because balloons can be a great danger to aircraft.
因为气球有可能给飞机造成极大的危险。