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- sulphur purple bacteria 紫色硫细菌
- Bacteriochlorophyll Any of several types of chlorophyll found in photosynthetic bacteria, such as the purple bacteria. 细菌叶绿素：在光能合成细菌如紫细菌中发现的几种类型的叶绿素。
- Ultrafast Photophysical Properties of Light-harvesting Complexes (LH2) in Purple Bacteria[J]. 引用该论文 郭俊华;张琨;刘为民;钱士雄;郭立俊.
- 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。
- Sulphur can be used to make gunpowder. 硫磺可以用来制造火药。
- The delay made the patient go purple in the face. 时间的拖延使病人脸色发紫。
- Sulphur was not identified as an element until1810. 1810年以前还没有认出硫是一种元素。
- The plant has a brilliant purple flower. 那棵植物开著一朵鲜艳的紫花。
- That girl likes to wear purple dresses. 那个女孩喜欢穿紫色的衣服。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- That plant with purple flowers is flag. 那种开紫花的植物是菖蒲。
- Jimmy doesn't know colors yet; he mixes up purple with blue. 吉米还不能分辨颜色，他把紫色和蓝色搅混了。
- Progresses in the Study on Light Harvesting Pigment Protein Complexes and Reaction Centers from Purple Bacteria 紫细菌捕光色素蛋白复合体及光化学反应中心的研究进展
- Bacteria are too small to see with the naked eye. 细菌太小，肉眼看不见。
- His face turned purple with rage. 他气得脸色发紫。
- Many diseases are caused by bacteria. 许多疾病是由细菌引起的。
- I like to eat purple mulberries. 我喜欢吃紫色的桑葚。
- The plant has a brilliant purple floweret. 那棵植物开着鲜艳的小紫花。
- Dissolution or destruction of bacteria. 溶菌作用对细菌的溶解或破坏
- Such a growth or colony, as of bacteria. 培养菌该种生长物或群落，如培养菌
