Ethyl biscoumacetate
[化] 双香豆乙酯; 双(4-羟基香豆素)乙酸乙酯
🧩 词语组成解析
[化] 乙基\\n[医] 乙基
🗣️ 情景例句
You don't know what you are talking about.
你不知道你在说什么。
Have you marketed your product yet?
你们的产品尚未推出市场吗？
A young man and a young woman were sitting behind me.
一青年男子与一青年女子坐在我的身后，