old bones短语³⁶⁸³⁷ 基本例句 un.毫不怀疑；一把老骨头；🌏老当益壮；旧骨；人类的珍贵记录 Many old bones do have stress fractures or signs of arthritis, but it's hard to conclude that these indications of degradation are due to obesity. 虽然很多原始人的骨骼被检测出有骨折或者是关节炎的症状，但这些退化的迹象并不能得出它们是肥胖所致的这一结论。 yeeyan