Leucosphenite
[矿]淡钡钛石
🗣️ 情景例句
Isn't this the Nanjing University?
请问是南京大学吗？
Call me tomorrow if you have time.
明天要有时间就给我打个电话。
We shall need two buses to meet people at the staton.
我们需要两辆公共汽车到车站去接人。