Xanthates
黄原酸盐
🗣️ 情景例句
You give me the money and I'll give you the goods.
你付钱，我给货。
Wise up!
别傻了！
They are often more industrious, useful citizens than those who are never late.
他们与那些从不迟到的人相比，常常是更勤奋有用的公民。