Dithiole
[化] 二硫杂环戊二烯
🗣️ 情景例句
Twenty-one inches.
二十一英尺。
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
We'll need all our orders packed that way from now on.
今后我们所有的货都要照样包装。