Acetylenedibromide
[化] 乙炔化二溴; 對稱二溴乙烯; 對稱二溴代乙烯; 二溴乙烯
??? 情景例句
But your daddy and I are talking about something
但你爸爸和我正在討論一件事，
The poor are rich when they are satisfied.
貧能知足即為富。
He's a terrible man when he's angry.
他生氣的時候很可怕。