Alkide
烃基化物, 烷化物
🗣️ 情景例句
How about some music?
来点音乐怎么样？
Rome was not built in a (or one) day.
罗马不是一日建成的。
That's OK. But you mustn't smoke while you're walking around in the bush either. You could start a bush fire.
没关系。但是在丛林里走动时你也千万不要抽烟，会引起火灾的。