Hexadiindiol
[化] 联乙炔二醇; 己二炔二醇
🗣️ 情景例句
It's no use crying over spilt milk. What's done cannot be undone.
覆水难收。
May I help you?
要我帮忙吗？
You name is Clare Flower?
你叫克莱尔·弗劳尔吗？