Kalistrontite
n. [矿]硫酸锶钾
🗣️ 情景例句
I think it's about time we got going.
我想差不多是告辞的时候了。
That was clever the way you worked out your problem.
那是解决你的问题的好办法。
Whose is this watch?
这块表是谁的？