early 15c., from Middle French acuité (16c.) or directly from Medieval Latin acuitatem (nominative acuitas) "sharpness," from Latin acuere "to sharpen," related to acus "needle," acuere "to sharpen," from PIE root *ak- "rise to a point, be sharp" (see acrid).
双语例句
1. We work on improving visual acuity.
我们致力于提高视觉的敏锐度。
来自辞典例句
2. On examination, her visual acuity was normal and without apparent proptosis.
眼科学检查两眼大致正常.
来自互联网
3. This equates to increased and vigor, better sleep and sharper mental acuity.
也就是说可以起到增强活力, 改善睡眠,提高心智的作用.
来自互联网
4. Results The visual acuity of 12 eyes ( 70.09 % ) was above 0.05.
术后随访平均2月,观察其效果.
来自互联网
5. Treatment options and goals depend on the acuity of hepatic encephalopathy.
