purple bacteria

• 紫色细菌

purple bacteria的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Noun:

1. free-living Gram-negative pink to purplish-brown bacteria containing bacteriochlorophyll

purple bacteria的用法和样例：

例句

1. The results revealed that those bacteria containing photosystems in which oxygen is not produced, such as purple bacteria, evolved first.
   结果表明，这些含有光系统的细菌并没有产生氧气，如紫色细菌，首先形成。