enervation
n. 削弱精神；衰弱；虚弱
近义词：exhaustion，weakness，enfeeblement，debilitation，
英英释义
Noun
- lack of vitality;
"an enervation of mind greater than any fatigue"
- serious weakening and loss of energy
- surgical removal of a nerve
例句
用作名词(n.)
- Russia could not compete against America in all places of the world because of the enervation of the economical strength.前苏联的继承者俄罗斯由于经济实力的衰弱，不能像以前一样在世界各地与美国展开竞争。