debilitate
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：
Laboratory tests show that secretions from the bodies of these millipedes are rich in two chemicals that are potent mosquito repellents, and mosquitoes carry parasites that debilitate capuchins.
化验结果显示，从这些千足虫的尸体分泌物富含这两种化学物质有强大的蚊怕水，和蚊子携带寄生虫，减弱卷尾猴。
Stewart took over yesterday when Russell was debilitated by a stomach virus.
昨天拉塞尔因肠胃病毒感染身体不适，由斯图尔特暂时接手。
Pakistani strategists are deeply concerned that Indo-US civil nuclear deal would feed supernumerary Uranium to Indian nuclear weapon program and debilitate the existing deterrence.
而印美民用核交易将会为印度的核武器项目提供额外的铀原料，这会削弱南亚现存的威慑力，巴基斯坦的战略家对此深表担忧。
Schistosomiasis is one of the most important zoonoses in the world, and severely debilitate people and animal's health.
血吸虫病是一种重要的人畜共患病，在世界范围内广泛分布，严重威胁着人们的健康。
These diseases blind, maim, disfigure, debilitate, and disable.
这些疾病会使人失明、残疾、毁容、虚弱和丧失能力。
The key is to not let it debilitate you. Recognizing your fears will not make them come true.
关键在于不要让恐惧影响到你。