| 单词 | acuity |
| 释义 | acuity /euh kyooh"i tee/, n. sharpness; acuteness; keenness: acuity of vision; acuity of mind. [1375-1425; late ME acuite < OF < ML, LL acuitas, equiv. to L acu(ere) to sharpen or acu(tus) sharpened (see ACUTE) + -itas -ITY] |
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