Silvialite
硫酸方柱石
🗣️ 情景例句
We split up last week.
他们上星期分手了。
Please show me a cheaper one.
请给我看一件比较便宜的衣服。
If one side fails to observe the contract,the other side is entitled to cancel it.
如果一方不履行合同协议，另一方则有权终止合同。