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

单词	purple bacterium
释义	purple bacterium noun : any of various free-living bacteria that contain bacteriochlorophyll marked by purplish or sometimes reddish or brownish pigments — compare purple sulfur bacterium
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