Wittig reaction
[化] 维蒂希反应
🧩 词语组成解析
reaction [化]维蒂希反应(一种有机合成技术)
🗣️ 情景例句
The college runs summer courses for Chinese learneers of English.
这所学院为学习英语的中国人开设了暑期班。
Don't be nervous.
不要紧张。
There aren't enough candles, said ann. There are only twelve. We'll need one more.
“蜡烛不够呀，”安说，“只有12支。我们还需要一支。”