注意把前脚的大脚趾的底部压向地板，因为前脚的外侧有蜷缩的倾向。
Pay attention to pressing the base of your front foot great toe down to the floor since there is a tendency to roll to the outside edge of the front foot.
采用尸头模型，我们研究了一个基底部在前方的鼻腔外侧壁的粘骨膜皮瓣。
Using a cadaveric model, we investigated the feasibility of harvesting an anteriorly based mucoperiosteal flap from the lateral nasal wall.
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