| 单词 | Paleozoic |
| 释义 | PaleozoicPaleozoic /ˌpeɪliəˈzoʊɪk◂/ noun the Paleozoic earth science the era (=long period of time in the history of the Earth) from about 570 million years ago to about 250 million years ago, when fish, insects, reptiles, and some plants first started to exist—Paleozoic adjective: the Paleozoic creatures |
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