bone strengthbəunstreŋθ短语¹⁴⁴⁹⁷²⁺² 基本例句 骨强度 If you have osteoporosis or are at risk of developing this disease, other treatments work better than calcium to improve your bone strength and reduce your risk of fractures. 如果你患有骨质疏松或有可能患，可以采用比补钙更好的方法改善骨质，减少骨折。 yeeyan