Semialdehyde
半醛
🗣️ 情景例句
Thank you. Would you like something to drink? A cup of coffee?
谢谢。你想喝点儿什么？来杯咖啡吗？
I'll be back in 5 days.
我五天之后回来。
We've had to increase our prices on this item by just 8%.
这一种我们不得已也只加了8%而已。