debility

详细解释:n. 衰弱, 体弱
【医】 虚弱

词型变化：

名词复数:debilities

英语解释：

名词 debility:

the state of being weak in health or body (especially from old age)同义词：infirmity, frailty, feebleness, frailness, valetudinarianism