Pentabromoethane
五溴乙烷
🗣️ 情景例句
Are these the terms that we agreed on?
这些是我们同意的条件吗？
Do you ever work at the factory on Sunday?
你曾经在星期日在工厂工作吗？
There was a tine when the owners of shops and businesses in Chicago that to pay large sums of money to gangsters in return for 'protection.
曾经有一个时期，芝加哥的店主和商行的老板们不得不拿出大笔的钱给歹徒以换取保护。