1. temporary loss of strength and energy resulting from hard physical or mental work;

   "he was hospitalized for extreme fatigue"
   "growing fatigue was apparent from the decline in the execution of their athletic skills"
   "weariness overcame her after twelve hours and she fell asleep"
   

1. 疲倦：举例:(额叶功能)工作记忆(working memory)是一种特殊形式的短时记忆,由认知心理疲倦(tiredness)与疲劳是两个不同概念,两者间既有区别又有联系. 疲劳是客观的生理现象,(4)生理-教育心理结合法 常用方法有剂量作业试验(dose-work test) 和运动条件反射法

2. 疲劳：tired 疲劳的 |tiredness 疲劳 | tireless 不疲倦的

3. tiredness的解释

3. 疲惫：2.36 Boredom无聊 | 2.37tiredness疲惫 | 2.38 Embarrassment尴尬

4. tiredness是什么意思

4. 疲劳,疲倦：tirana /地拉那/ |tiredness /疲劳/疲倦/ | tirefond /起骨器/