debility
词根词缀：
ability n. 能力
abil 能 + ity 具备某种性质，状况 → 能力
able adj. 能够的
debility n. 虚弱
de 去掉 + bility〔=ability〕能力 → 使能力失掉 → 虚弱
debilitate v. 使衰弱
de 去掉 + bilit〔= abili〕能 + ate 做，造成，使… → 去掉能力 → 使衰弱
habilitate v. 装备；使具备能力
habilit〔= abili〕能 + ate 做，造成，使… → 装备；使具备能力
rehabilitate v. 使康复；改造（罪犯）
re 重新 + habilitate 装备；使具备能力 → 重新获得能力 → 使康复
debilitate v. 使衰弱
debil 虚弱的 + it + ate 使… → 使衰弱
debilitated adj. 疲惫不堪的，操劳过度的
debil 虚弱的 + it + ated → 疲惫不堪的，操劳过度的
debility n. 衰弱
debil 虚弱的 + ity 具备某种性质，状况 → 衰弱
数据来源：新东方英语词汇速记大全
相关例句：
China experienced a period of enduring impoverishment and long-standing debility in its modern history and was for a time at the mercy of other countries.
近代中国经历了一段积贫积弱、任人宰割的历史。
Conclusion: The proper reduction of the retaining needle time may improve the curative effectiveness of the acupuncture treatment of Kidney-yang debility patients.
结论：适当地缩短留针时间可以提高针刺治疗肾阳虚证患者的疗效。
The phlegm set more other two sets of obvious introverted and the motion unsteady, on the debility phlegm muddy qualities type, the phlegm set qualities type with many blood quality, gall quality.
痰瘀阻滞组较其它两组具明显内向性及情绪不稳定性，气虚痰浊气质类型上，痰瘀阻滞组气质类型以多血质、胆汁质。
Returning to health after illness or debility.
生病或虚弱后恢复健康的。
Objective: To study the effects of retaining needle time on the Kidney-yang debility patients.
目的：探索留针时间长短与肾阳虚证的疗效关系。
Qi and blood stasis syndrome is the basic syndrome, debility blood stasis in the basis of the qi stagnant merger or Yin deficiency also more see.
本病基本证候为气虚血瘀证，且在气虚血瘀的基础上合并痰浊或阴虚也多见。