ultra-

prefix
🔊/ʌltrə/
🔊/ʌltrə/
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  1. (in adjectives and nouns构成形容词和名词) extremely; beyond a particular limit极;超过某限度
    • ultra-modern超现代的
    • ultraviolet紫外线的
    compare infra-
    Word Originfrom Latin ultra ‘beyond’.