Wittig
reaction [化]维蒂希反应(一种有机合成技术)
🗣️ 情景例句
What a wonderful morning!
多么美好的早晨！
Just a second and I'll check the schedule.
请等一等，我来查一下时刻表。
Jim couldn't decide where to go for his holidays. He didn't go anywhere in the end.
几亩决定不了去哪渡假，最终他哪儿也没去。