330万年前，我们祖先的舌骨与今天猿的舌骨形状类似，这表明那时候他们已经拥有气囊了。
Our ancestors from 3.3million years ago had hyoids that were similar in shape to those of today’s apes, suggesting they too had air sacs.
330万年前，我们祖先的舌骨与今天猿的舌骨形状类似，这表明那时候他们已经拥有气囊了。
Our ancestors from 3.3million years ago had hyoids that were similar in shape to those of today's apes, suggesting they too had air sacs.
她的气管，她的颈静脉她的会厌，她的舌骨，她的舌头。
Cut through the windpipe, the jugular, the epiglottis, the hyoid, the tongue.
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