Acuity
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[编辑] 解释
[编辑] GRE 红宝书
- n. ( 尤指思想或感官) 敏锐
- ［英］ n. ( 尤指思想或感官) 敏锐 ( sharpness, acuteness)
- ［记］ acu ( 尖, 酸, 锐利) +ity ( 表性质) -> 尖的性质 -> 敏锐
- ［同］ 同根词: acupuncture ( 针灸) , acumen ( 敏锐)
[编辑] Webster Collegiate
noun (plural -ities)
- Etymology: Middle English acuite acridity, from Middle French acuité, from Medieval Latin acuitat-, acuitas, from Latin acuere
- Date: 1543
- keenness of perception ; sharpness
