Protomonadidia
[医] 原鞭毛目
🗣️ 情景例句
Harvey, how are you?
你好吗，Harvey？
Rivers need a spring.
大河要有源头。
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。