Ishikawaite
石川石, 铌钽铁铀矿
🗣️ 情景例句
You probably heard about it. We have private teachers in our holiday.
或许你已经听说过。我们交大的学生在假期间做家教。
Won't you come in, please?
请进来好吗？
Here's one of mine.
喏，这是我的。