n. 破碎性
excessive breakableness
同义词： friability
破碎性
... crumble粉碎 crumbliness破碎性 crumbling破碎的 ...
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。