Crystallogphy
结晶学, 晶体学
🗣️ 情景例句
You're going to be OK.
你不会有问题了。
Could I have one for tomorrow morning?
明天早上我能租一辆吗？
She finished it at half past nine. She went to bed before a quarter to ten.
30 她完成了作业。她9：45之前上床睡觉。