肱骨是上臂的长骨.The humerus is the long bone of the arm.用针穿过肱骨的两髁牵引上臂.A pin placed through the condyles of the humerus provides to upper arm.非手术治疗适用于大部分肱骨近端骨折.Nonoperative management is appropriate for the majority of proximal ...
In 1928 some porpoises were photographed working like beavers to push ashore a waterlogged mattress.1928年有人把这些海豚象海狸那样把一床浸泡了水的褥垫推上岸时的情景拍摄了下来.Thus do the beavers, thus do the bees, thus do men.海狸是这样做的,蜜蜂是这样做的,人也是这样做的.They ...