单词	back-scratching
释义	back-scratchingˈback-ˌscratching noun [uncountable] Examples EXAMPLES FROM THE CORPUS On one level the sudden and unexpected friendship thrives on little more than mutual back-scratching. the act of doing nice things for someone in order to get something in return
随便看	NM NME No. no No. 10 No. 11 no-account Noah Noah's ark nob no ball nobble Nobel, Alfred Nobel prize nobility noble nobleman noblesse oblige noblewoman nobly nobody no-brainer nocebo effect no-claims bonus no-confidence

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