Polycoumarone
[化] 聚香豆酮; 聚氧杂茚
🗣️ 情景例句
After sending investigators to the scene we can now confirm that it was the result of an accidental fire.
在派出调查人员到现场后，我们现在可以确定事故是由意外失火导致的。
It's difficult to make a decision whithout knowing all the facts.
不了解所有事实而做出决定是困难的。
It has sailed across the Atlantic many times.
它已经多次横渡大西洋。