单词	check digit
释义	check digitˈcheck ˌdigit noun [countable] technical the number on the far right of a bar code. It is used to check that the information on the bar code is correct.
随便看	conniption connivance connive conniving connoisseur connotation connotative connote connubial conquer conquering conqueror conquest conquistador Conrad, Joseph Conrail Conran, Sir Terence consanguinity conscience conscience-stricken conscientious conscientiously conscientiousness conscientious objector conscious

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