Natrocalcite
钠方解石
🗣️ 情景例句
Yes, of course.
可以，当然可以。
He received full credit for his studies at a previous school.
他在一所先前的学校取得了所有课程的学分。
What do I have to do if I want to be thinner?
如果我想瘦一点的话，我得怎么做呢？”