Stassfurtite
纤硼石
🗣️ 情景例句
If you're not sure, then the answer should probably be no.
如果你不确定，那么答案可能就是“不”了。
I meet the boy whose aunt is a typist.
我遇到那个男孩的姑妈是打字员。
What's wrong?
怎么回事？