Reddingite
[化] 磷锰矿
🗣️ 情景例句
We prefer to have payment in US dollars. It may be difficult for us to do so.
我们用美元付款。用人民币支付可能有些困难。
Courtesy costs nothing.
谦虚恭敬，不用分文。
I have no choice.
我别无选择。