Acetylenedinitrile
乙炔二氰, 丁炔二腈
🗣️ 情景例句
tomorrow morning before we leave.
在明天早上临走之前。
It's already in production, so you can expect it in stores before the end of the month.
产品已投产了，所以月底前你可以获得。
How was your date?
你的约会怎么样？