VOA标准英语2012.12.24
[audio]http://sound.yywz123.com/tingbbs/voab/voab20121224.mp3[/audio]ommunicate. Using x ray movies, researchers at Princeton and the University of Vienna have found that primate lip smacking is much more complex than it appears. Like human speech, lip smacking requires quick, controlled movements of the lips, tongue, jaw, and hyoid bone, which supports the larynx and tongue.科学家对于猴子如何通过唇动来相互交流尤其感到兴趣.美国普林斯顿大学和奥地利维也纳大学的研究人员通过使用X射线视频发现,灵长目动物的唇动要比看上去复杂的多.它们的唇动和人类语言一样需要控制嘴唇、舌头、下颚以及支撑喉头和舌头的舌骨之间快速运动来发声.
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