英语词汇improvement and extensions是什么意思，improvement and extensions的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	improvement and extensions
释义	improvement and extensions　【经】改进及扩充
随便看	venter occipitalis venter posterior venter propendens venter renum venter scapulae venter superior venter supremus venthole ventiduct ventifact ventifact ventil ventilagin ventilate ventilate ventilate ventilate ventilated ventilated ventilated ventilated ventilated box car ventilated case ventilated commutator ventilated compartment

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