| 单词 | phycocyanin |
| 例句 | Named after the blue-green pigment they use for this process, called phycocyanin, cyanobacteria also make oxygen and are given the credit for creating Earth’s atmosphere about 2.4 billion years ago. Bacterial traces from 3.5 billion years ago are ‘oldest fossils,’ experts say 2012-12-31T21:09:03Z Named after the blue-green pigment they use for this process, called phycocyanin, cyanobacteria also make oxygen and are given the credit for creating Earth's atmosphere about 2.4bn years ago. Fossils in Western Australia could hold clues for life on Earth ... and beyond 2013-01-08T14:01:11Z |
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