Dioxine
[医] 二┧英(一种致突变物质)
🗣️ 情景例句
OK. I'll be back in a few minutes.
好，过几分钟我就回来。
I want to extend my warmest welcome to all of you.
热烈欢迎大家。
I think the weather will be nice later.
我想天气一会儿会好。