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听起来是不是有点匪夷所思呢?人类竟然不止有两个鼻孔!那么,人类究竟有几个鼻孔?另外的鼻孔又长在哪里呢?
It sounds a bit bizarre? Man even more than two nostrils! So, how many nostrils humans have? Other nostrils and long where?