Erdmannite
复硅锆钡矿
🗣️ 情景例句
What was your graduation thesis on?
你毕业论文是什么题目？
I worked at the coffee shop last night.
我昨晚在咖啡厅工作。
I don't think so. Ah! It was Li Lei.
我想不是。啊，是李雷！