综合一区欧美国产,99国产麻豆免费精品,九九精品黄色录像,亚洲激情青青草,久久亚洲熟妇熟,中文字幕av在线播放,国产一区二区卡,九九久久国产精品,久久精品视频免费

In 2012, researchers in the US discovered a beluga whale whose vocalisations were remarkably close to human speech. While dolphins have been taught to mimic the pattern and durations of sounds in human speech, no animal has spontaneously tried such mimicry.

美國的研究人員2012年發(fā)現(xiàn)白鯨的發(fā)聲系統(tǒng)和人類的極其相似。雖然人們曾對海豚進行培訓(xùn)讓它們來模仿人類的發(fā)聲習慣和長度，但是不曾有任何動物

自發(fā)的去模仿人類的聲音。