fitnessKK [ˋfɪtnəs] /ˈfɪtnəs/名詞1體能、健康狀況Swimming three times a week improved her overall fitness.每週游泳三次讓她的整體體能變好了。2健身常用於複合詞He signed up at a fitness center near his office.他在辦公室附近的健身中心報名了。3適合、適當性正式The committee questioned his fitness for such a demanding role.委員會質疑他是否適合擔任這種高壓的職務。4適應度生物學Traits that raise an animal's fitness tend to spread through the population.能提高動物適應度的性狀往往會在族群中擴散。