Cyclododecatriene
环十二碳三烯
🗣️ 情景例句
Well, then why are you so sad?
那你为什么如此难过？
You can take a horse to the water,but you cannot make him drink.
牵马河边易，逼马饮水难；不要逼人做他不愿做的事。
What will the money be used for?
这钱打算怎么用？