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视频对白:
And in the few hundred years since humans started trying to classify insects.
自从人类开始为昆虫分类以来已有数百年。
classify
v.分类，归类
Unlike americans, brazilians rarely classify themselves by race.
与美国不同的是，巴西人们很少按照种族给自己分类。
Intriguingly, there was also a virus that the researchers were unable to classify.
有趣的是，还有一种研究者们无法分类的病毒。
