Scotiolite
暗硅镁铁石
🗣️ 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。
One misfortune comes on the neck of another.
祸不单行。
I want some envelopes,please.
请给我拿几个信封。