Tienshanite
天山石
🗣️ 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。
Provide for the worst, the best will save itself.
作最坏的准备，可以得到最好的结果。
Thank you.
谢谢！