It's not just wrinkles that reveal age, changes in facial bone structure make faces look older, too, according to researchers at the University of Rochester Medical Center.
揭示人类年龄的不仅仅是皱纹。美国罗切斯特大学医学中心的研究人员发现,面部骨骼结构的变化也会让人看起来更老。
The use of bone marrow stem cells is safe in treating children with brain trauma, a team from the University of Texas Health Science Center at Houston determined.
休斯顿德克萨斯大学的一支团队决定使用骨髓干细胞来治疗儿童的脑部创伤,因为这种治疗方法对孩子们也安全。
Align the wrists perpendicular to the floor and center your weight on the edge of the forearm bone, rolling neither in nor out.
使腕骨立起来垂直地板,将体重放在小臂骨的边缘,小臂既不要内旋也不要外旋。
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