骨关节炎源于关节软骨的磨损破坏甚至丧失。
Osteoarthritis is due to wear and tear with loss of articular cartilage.
椎骨明显的骨质疏松症，可见骨小梁薄弱甚至丧失。
The bone in these vertebral bodies demonstrates marked osteoporosis with thinning and loss of bony trabeculae.
当孩子们离开家的时候，她们变得做事拖拉，对孩子们恋恋不舍，抑郁，冷淡甚至丧失个性。
Few describe lingering depression, apathy, and loss of identity when children leave the nest.
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