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sharpness

['ʃɑrpnɪs]
  • n. 锐利;[摄] 清晰度;疾速;严厉

考试真题


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年考研真题(英语一)完形填空 Section Ⅰ