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acuity [ә'kju:әti]

n. 尖锐, (疾病的)剧烈, 敏锐
[化] 锐度; 分辨能力
[医] 敏度

sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart);
visual acuity, sharp-sightedness
a quick and penetrating intelligence;
acuteness, sharpness, keenness
- he argued with great acuteness
- I admired the keenness of his mind

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