Alkide
烃基化物, 烷化物
🗣️ 情景例句
Any stocks or bonds?
有股票或债券吗？
Experience keeps a dear school, but fools learn in no other.
吃亏学乖代价高，笨汉非此学不好。
When a passing tanker rescued them five days later,
5天后，一条油轮从那儿路过，搭救了他们。