Question

acuity n.尖锐；敏锐；激烈 (1) 他有轻度耳鸣，并且听力稍减。(2) 他的精神和体质一样令人敬佩。(3) 丧失视觉敏锐性和目光接触通常可以被看作是醉酒的特征。 People often talk about "mental acuity," which is a fancy way of saying intelligence, brains, or smartness. There are specific kinds of acuity, too. As people become very old, they tend to lose their acuity in many areas, including their vision, which is one reason very old people don't drive as well. A 40-year-old quarterback isn't going to have the same acuity for seeing receivers and throwing the ball as a 25-year-old quarterback.

Accepted Answer

英 [ə'kjuːəti] 美 [ə'kjuːəti] (1) He had mild tinnitus, and slightly decreased auditory acuity.(2) His mental acuity parallels his physical dominance.(3) Loss of visual acuity and eye contact is generally accepted as visible indicators of alcohol-induced intoxication. Acuity has to do with sharpness and smartness. Do you always get A's in math? Then you have an acuity for numbers. 1[N-UNCOUNT 不可数名词]（视力、听力、思维的）敏锐，敏锐度 Acuity is sharpness of vision or hearing, or quickness of thought.   [FORMAL 正式]We work on improving visual acuity.我们致力于提高视觉的敏锐度。

英语单词	acuity
英美音标	英 [ə'kjuːəti] 美 [ə'kjuːəti]
中文释义	n.尖锐；敏锐；激烈
英语例句	(1) He had mild tinnitus, and slightly decreased auditory acuity. (2) His mental acuity parallels his physical dominance. (3) Loss of visual acuity and eye contact is generally accepted as visible indicators of alcohol-induced intoxication.
中文例句	(1) 他有轻度耳鸣，并且听力稍减。 (2) 他的精神和体质一样令人敬佩。 (3) 丧失视觉敏锐性和目光接触通常可以被看作是醉酒的特征。
vocabulary简明	Acuity has to do with sharpness and smartness. Do you always get A's in math? Then you have an acuity for numbers.
vocabulary扩展	People often talk about "mental acuity," which is a fancy way of saying intelligence, brains, or smartness. There are specific kinds of acuity, too. As people become very old, they tend to lose their acuity in many areas, including their vision, which is one reason very old people don't drive as well. A 40-year-old quarterback isn't going to have the same acuity for seeing receivers and throwing the ball as a 25-year-old quarterback.
柯林斯解释	1 [N-UNCOUNT 不可数名词]（视力、听力、思维的）敏锐，敏锐度 Acuity is sharpness of vision or hearing, or quickness of thought. [FORMAL 正式] We work on improving visual acuity. 我们致力于提高视觉的敏锐度。

Acuity People Visual Sharpness Smartness 英 ə'Kjuːəti] 美 ə'Kjuːəti