短语词组短语hind -limb ischemia 后肢缺血Hind limb lameness 后肢跛行Anterior and hind limb 前后肢acute hind limb ischemia 急性下肢缺血hind limb ischemia 下肢缺血hind limb allografts 后肢移植物hind limb bud 后肢芽 返回 hind limb