NOT ture: the suspensory ligaments contract to pull the lens into a flattened shape when observing distant objects.

 
  • [不要寫(xiě)成:懸韌帶收縮,因韌帶是不會(huì )收縮的,它只把拉力由肌肉傳遞到骨骼。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan