Alkadiyne
链二炔
🗣️ 情景例句
I would like to check-out now.
我现在就想结账离开。
A horse stumbles that has four legs.
人有失手日，马有失蹄时。
But I think it's much nicer in a paper bag,in the open air!
不过我想把它放在纸袋里，在露天吃更好！