acuityKK [əˋkjuəti] /əˈkjuəti/名詞1敏銳、敏捷、洞察力Regular exercise may help preserve mental acuity as we age.規律運動有助於在年老時維持思緒的敏銳。2視力、視敏度醫學The eye doctor tested my visual acuity with a letter chart.眼科醫師用視力表檢查我的視力。3敏銳度、靈敏度Her auditory acuity lets her notice the faintest change in tone.她聽覺敏銳,連最細微的音調變化都聽得出來。