fitness

fitness
noun
  1. [mass noun]the condition of being physically fit and healthy
    健康;健壮
    disease and lack of fitness are closely related.
    疾病和体弱紧密相关。
    [as modifier]a fitness test.
    健康检查,体质测试。
    ■(fitness for/to do)the quality of being suitable to fulfil a particular role or task
    合格,胜任;适合
    he had a year in which to establish his fitness for the office.
    他花了一年时间让自己能够胜任这个职位。
    ■(Biology)an organism's ability to survive and reproduce in a particular environment
    (生)(有机体的)适合度
    if sharp teeth increase fitness, then genes causing teeth to be sharp will increase in frequency.
    如果尖齿的适应力增强,那么导致牙齿变尖的基因出现的频率就会增加。
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