Semialdehyde
半醛
🗣️ 情景例句
I have a customer for your first wedding dress.
我已经有了 的第一套结婚礼服的顾客。
I'm afraid not. She doesn't have any openings in the morning.
恐怕不行。上午她没有空。
2 'It's possible, but not worth doing.'
二、 可能，但不值得做。"