n.1.尖锐。2.(思想、视力的)敏锐。3.(疾病的)剧烈。短语和例子acuity of wit 才思敏锐。acuity for defocus: 散焦灵敏度; 散焦锐度acuity matching: 分辩率匹配; 视觉敏锐度匹配acuity meter: 视敏度测定计acuity photometer: 敏锐度光度计acuity projector: 投射式视力检查器下载手机词典可随时随地查词查翻译