up-

prefix
🔊/ʌp/
🔊/ʌp/
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  1. (in adjectives, verbs and related nouns构成形容词、动词和相关的名词) higher; upwards; towards the top of something更高;向上;朝顶部
    • upland高地
    • upturned向上翘的
    • upgrade升级
    • uphill上坡