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