Decarbonylation
脱羰作用
🗣️ 情景例句
lots of things to do.
许多事情要做。
We think $ 87,000 per unit with a five percent discount for orders over 100.
我们减少到每台8。7万美元，订购超过100台给予5%的折扣。
It is tomorrow that they will have a meeting.
就在明天（而不是在别的某一天）他们要开会。