Dioxins
n. 二氧（杂）芑( dioxin的复数形式 )
🗣️ 情景例句
No, thank you. It's too late. I really have to go.
不，谢谢。太晚了，我真的该走了。
His necktie is behind the book case.
他的领带在书架后面。
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。