Homogen
具有共同起源的一群
🗣️ 情景例句
I'm sorry I'll have to pass.
很遗憾我得错过这回了。
Do whatever seems best.
只要察觉出是最好的，就去做。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。