acuity

• 名词，指敏锐或尖锐，尤指视力或思维的敏锐性，常用于医学或智力语境。

A noun referring to sharpness or keenness, particularly of vision or thought, often used in medical or intellectual contexts.

不可数

1. Sharpness of visionB2formal

   The ability of the eye to see fine details clearly, often measured using a standard eye chart.

   视力

   • The optometrist tested her visual acuity with a Snellen chart.
   • Good visual acuity is essential for pilots and surgeons.
   • His acuity decreased with age, requiring reading glasses.

   同义词acutenesskeennesssharpness

   反义词blurrinessdimnessfuzziness

2. Keenness of thoughtC1formal

   The ability to think quickly and clearly; sharp intelligence.

   思维敏锐

   • Her mental acuity was evident in the way she solved complex problems.
   • The chess player's acuity allowed him to anticipate his opponent's moves.
   • Maintaining cognitive acuity is important as we grow older.

   同义词acutenessastutenessbrillianceclevernessdiscernmentkeennessperceptivenessperspicacitysharpnessshrewdness

   反义词dullnessobtusenessstupidity