Semialdehyde
半醛
🗣️ 情景例句
All set for lunch, Harry.
午餐的一切都准备好了， Harry。
We'll leave some evenings free,that is,if it is all right with you.
如果你们愿意的话，我们想留几个晚上供你们自由支配。
I'm not going to any.I need some fresh air, so I'm going out for a walk.
我哪个报告都不去听。我需要一些新鲜空气，因此我要出去散步。