n. abnormal loss of bony tissue resulting in fragile porous bones attributable to a lack of calcium; most common in postmenopausal women
n. 骨质疏松症
[化] 骨质疏松; 骨质疏松症
1. Osteoporosis can make bones weak and more likely to break.
骨质疏松症会使骨头变得脆弱，更容易骨折。
2. Many older women are at risk of developing osteoporosis.
许多年长女性有发展骨质疏松症的风险。
3. Eating foods rich in calcium can help prevent osteoporosis.
吃富含钙的食物可以帮助预防骨质疏松症。