柯林斯词典acuity /əˈkjuːɪtɪ/ 1. N-UNCOUNT Acuity is sharpness of vision or hearing, or quickness of thought. (视觉或听觉)敏锐度; (思维)敏捷度[正式] We work on improving visual acuity. 我们致力于提高视觉敏锐度。 返回 acuity剑桥词典the ability to hear , see , or think accurately and clearly （听力、视力、思维等的）灵敏度；敏锐 Tiredness also affects visual acuity. 疲劳也会影响视敏度。 He was a man of great political acuity. 他是一个对政治高度敏感的人。 返回 acuity