英语词汇“purple bacteria”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	purple bacteria
释义	WordReference Random House Unabridged Dictionary of American English © 2024 pur′ple bacte′ria, Microbiologya group of Gram-negative pink to purplish-brown bacteria, comprising the purple sulfur bacteria and purple nonsulfur bacteria, that occur in anaerobic aquatic environments and carry out a unique form of photosynthesis without oxygen, using the pigment bacteriochlorophyll. 1895–1900
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