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来源：雅诚德英语网
How did the dolphin's clicks get transmitted from its air-filled nasal sacs into the ocean water?
海豚发出的滴答声是如何从充满空气的鼻囊传播到海水中的呢？
How did the dolphin's clicks get transmitted from its air-filled nasal sacs into the ocean water?
海豚发出的滴答声是如何从充满空气的鼻囊传播到海水中的呢？