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泥盆纪的
Devonian
常考释义
However, by the Devonian Period (408 million to 362 million years ago), they had radiated into almost all available aquatic habitats, including freshwater settings.
然而，到了泥盆纪（4.08亿至3.62亿年前），鱼类的栖息地已经扩展到几乎所有可能的水生环境，包括淡水水域。
来源于：阅读OFFICIAL44 P1adj. 泥盆纪的；德文郡的
However, by the Devonian Period (408 million to 362 million years ago), they had radiated into almost all available aquatic habitats, including freshwater settings.
然而，到了泥盆纪（4.08亿至3.62亿年前），鱼类的栖息地已经扩展到几乎所有可能的水生环境，包括淡水水域。
来源于：阅读OFFICIAL44 P1The freshwater Devonian lobe-finned fish rhipidistian crossopterygian is of particular interest to biologists studying tetrapod evolution.
研究四足动物进化的生物学家对泥盆纪时期生活在淡水水域的总鳍鱼纲、扇鳍鱼目叶状鳍鱼尤其感兴趣。
来源于：阅读OFFICIAL44 P1The bones of the fins of a Devonian rhipidistian exactly match in number and position the limb bones of the earliest known tetrapods, the amphibians.
泥盆纪扇鳍鱼的鳍骨在数量和位置上与已知的最早的四足动物的肢骨完全匹配。
来源于：阅读OFFICIAL44 P1Changes in climate during the Devonian may have had something to do with this if freshwater areas became progressively more restricted.
如果淡水区域逐步缩减，泥盆纪的气候变化可能与此相关。
来源于：阅读OFFICIAL44 P1Thus, by the Devonian the land habitat marginal to freshwater was probably a rich source of protein that could be exploited by an animal that could easily climb out of water.
因此，在泥盆纪时期，对于能够轻易爬出水面的生物，淡水边缘的陆地很可能是丰富的蛋白质食物来源。
来源于：阅读OFFICIAL44 P1n. [地质] 泥盆纪；英国得文郡
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