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首页英语词典sharpnesssharpness考试真题

sharpness

['ʃɑrpnɪs]

sharpness的意思英英释义考试真题实用场景例句

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.