Unsaturates
(unsaturate 的复数) n.[化]不饱和化合物
🗣️ 情景例句
Yes. I have a room booked with you, for three days starting today. Name of Lu, L-U.
是的，我已向你们订了房间，从今天开始，共三天。姓陆，L-U。
Never!
决不！
Half an hour? That's too long! Is there a bus?
半小时？那太久了！有公共汽车吗？