Allylene
(=methylacetylene)丙炔, 甲基乙炔
🔁 扩展释义
【化】 丙炔
🗣️ 情景例句
I'm relieved to hear that.
你的话使我松了一口气。
What's good about it?
有什么好？
Yes, it's beautiful, isn't it?
是的，今天的天气真好！