Allylic
烯丙基的
🗣️ 情景例句
A community center
一个社区中心
Omelets are not made without breaking of eggs.
鸡蛋不打破，蛋卷做不成；不甘愿吃苦，则预期效果达不到。
People become quite illogical when they try to decide what can be eaten and what cannot be eaten.
在决定什么能吃而什么不能吃的时候，人们往往变得不合情理。