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sharpen

/ˈʃɑːpən/
/ˈʃɑːrpən/

释义

  • verb使(更)锋利(或清晰等)

英英释义

  • verbto make something sharp or sharper

场景例句

  • They sharpened all the knives.

词态变化

sharpen, sharpens, sharpened, sharpening