Giobertite
菱镁矿
🗣️ 情景例句
My mother doesn't mind who comes to stay, she's very easy-going.
我母亲不在乎有什么人来往，她十分随和。
And straightforward communication will serve as a useful basic of successful business transactions.
以及坦率的沟通，这些将构成顺利生意交涉的有效基础。
but where had it come from?
但它是从哪儿来的呢？