基本解释n.破碎性同根派生 英汉例句双语例句So although old people tend to be less healthy than younger ones, their cheerfulness may help counteract their crumbliness.因此，尽管老人们的健康状况往往低于年轻人，他们的快乐可能帮助抵消他们的弱项。专业释义能源科学技术破碎性