Olefination
烯化作用, 成烯作用
🗣️ 情景例句
Thanks a lot.
多谢。
Hunger is the best sauce.
饥者口中尽佳肴。
An enterprise has to incur certain costs and expenses in order to stay in business.
一个企业为了继续经营，不得不支出一定的费用和开销。