奥兹的骨骼年龄是46岁，在当年这算高寿了。
Bone studies show he was 46 years old, an advanced age for people of his time.
对于这些远古时期驯化牛骨骼的研究结果告诉了我们这些家畜宰杀时的年龄。
Study of the bones of these cattle from ancient times shows the ages at which the animals were killed.
通常说来，年龄是通过生理特征确定的，譬如牙齿或骨骼。
Usually, age is determined by physical characteristics, such as teeth or bones.
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