dis- prefix
Learner's definition of DIS-
1
in verbs : to do the opposite of相反；作对 -
disagree不同意
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disappear消失
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disapprove不赞成
2
in nouns : opposite or absence of与…相反；缺乏… -
disbelief不信
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discomfort不舒服
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dishonor耻辱
3
in adjectives : not不；非 -
disagreeable令人不快的
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disconnected切断的
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disinterested不感兴趣的