短语词组短語bone -loss 骨丟失bone mass loss 骨量減少local bone mass loss 侷部骨質丟失bone mineral loss 骨鑛丟失bone mineral loss in space 航天骨鑛物質脫失total body bone mass loss 全身骨質丟失prevent and treat bone -loss 防治骨丟失marginal bone loss 邊緣骨吸收;骨吸收 返回 bone loss