Polycoumarone
[化] 聚香豆酮; 聚氧杂茚
🗣️ 情景例句
It's important for you to keep a cool head at this moment.
这时候保持头脑冷静是很重要的。
Our clients want a replacement.
我们的客户要求换货。
I'd appreciate your kind consideration in the coming negotiation.
洽谈中请你们多加关照。