外博词典,懂英语单词快速记忆法的在线英语词典

sur- (1)

word-forming element meaning "over, above, beyond, in addition," especially in words from Anglo-French and Old French, from Old French sour-, sor-, sur-, from Latin super "above, over," from PIE root *uper "over."

sur- (2)

assimilated form of sub- before -r-.

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