Level 6 · word 15,480 of 20,000

acuity

/əˈkjuːɪti/ American
  • n. 敏锐, 敏锐度
Definition
  • n. the ability to think, see, or hear very sharply and clearly
Example
Her visual acuity improved noticeably after she got new glasses.
配了新眼镜后,她的视力明显提高了。