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	DHSS Di di- diabesity diabetes diabetic diabolical diabolically diacritic diacritical diadem Diaghilev, Sergei diagnose diagnosis diagnostic diagonal diagonally diagram diagrammatic diagrammatically dial dialect dialectic dialectical dialling code

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