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.
方法23例病人全口义齿修复时舌翼区尽量伸展至下颌舌骨峪后的倒凹区内。
Methods LFA was extended as far as possible toward the undercut area behind the mylohyoid ridge in 23 patients.
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