Hepcin
七菌素
🗣️ 情景例句
About what?
谈什么？
Look before you leap; see before you go.
三思而行。
Because they destroy so many insects, and insects include some of the greatest enemies of the human race.
因为它们能消灭那么多的昆虫，其中包括一些人类的大敌，