Hexylidene
亚己基
🗣️ 情景例句
I'm sorry for what I've done.
我为我的所作所为向你道歉。
Do you like water-skiing?
你喜欢滑水？
No. Two visitors have just arrived and I want to give them something nice to eat.
不是。我家刚来了两位客人，我想煮些好吃的招待他们。