Gias
(gia 的复数) abbr. 美国宝石学会（Gemmological Institute of America）
🗣️ 情景例句
You must've come home very late.
一定很晚才回家。
We would also like to point out that we mainly settle our accounts on a documents-against-acceptance basis.
我们还想指出我们主要以承兑交单方式结帐。
Good evening! Mr Green, where are you from?
晚上好，格林先生，你是哪里来的？