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v.（使）提高( sharpen的第三人称单数 )，（使声音）变得尖锐，（使）变得更好（或技术更高、更有效等），（使）变得锋利...
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The use of Gilbert's method sharpens our field observations.吉尔伯特方法的应用使我们的观测结果更具有说服力.Mr Weaver talks with her while she sharpens her pencils.她一面削尖铅笔,韦佛先生一面跟她谈话.Cold weather sharpens the pain in my knee.寒冷使我膝盖的疼痛加剧....
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The use of Gilbert's method sharpens our field observations.吉尔伯特方法的应用使我们的观测结果更具有说服力.Cold weather sharpens the pain in my knee.寒冷使我膝盖的疼痛加剧.He that wrestles with us strengthens our nerves and sharpens our skill.和我们搏斗的...