Gemmology
n. 宝石学
🗣️ 情景例句
he could help you find a real good job in Los Angeles.
他能够帮你在Los Angeles找个很好的工作。
Just a short line to say thanks.
只言片语聊表谢意。
Every year, several classes visit the factory.
每年都有好几个班去参观这家工厂。