sharpness

['?ɑrpn?s]
  • n. 銳利；[攝] 清晰度；疾速；嚴(yán)厲

考試真題

Now, a new Web-based company has taken it a step further and developed the first "brain training program" designed to actually help people improve and regain their mental sharpness.

2014年考研真題（英語(yǔ)一）完形填空 Section Ⅰ