brittle-bone disease
英
美
- bone n.骨骼；骨；核心vt.除去骨头；往衣服里加撑条；磨光表面vi.努力学习adv.非常地；极其地
- brittle adj.易碎的；尖利的；脆弱的n.果仁薄脆糖
- disease n.疾病v.使…生病，感染
- Osteoporosis is a bone-thinning disease.
骨质疏松症是一种骨密度变稀的疾病。
- They were taking part in research on the bone-thinning disease, osteoporosis.
这些妇女参加了骨质疏松症的研究。
