Allylation
烯丙基化
🗣️ 情景例句
Where are you from?
你是从哪儿来的？
Give a lark to catch a kite.
得不偿失。
The conditions of society are such that skills have to be paid for in the same way that goods are paid for at a shop.
社会上的情况就是如此，技术是必须付钱去买的，就像在商店里要花钱买商品一样。