Acetylenedinitrile
乙炔二氰, 丁炔二腈
🗣️ 情景例句
I waited for you for about a quarter of an hour.
我等了你差不多一刻钟。
I hope it turns out all right.
我希望结果很好。
There is a TV show about AIDS on right now.
电视正在播放一个关于爱滋病的节目。