| 单词 | 两栖类 |
| 释义 | 〔mesonephros〕The second of the three excretory organs that develop in a vertebrate embryo, becoming the functioning kidney in fish and amphibians but replaced by the metanephros in higher vertebrates. Also called Wolffian body 中肾：在脊椎动物胚胎内发育而成的三对排泄器官中的第二对，作为功能肾存在于鱼类和两栖类体内，但在更高级的脊椎动物中则发育成后肾 也作 Wolffian body〔batrachian〕Of or relating to vertebrate amphibians without tails, such as frogs and toads.无尾两栖脊椎动物：无尾的脊椎两栖类的，如青蛙和蟾蜍〔batrachian〕A vertebrate amphibian.两栖类脊椎动物〔salientian〕An amphibian of the order Salientia (formerly Anura or Batrachia), which includes the frogs and toads. Also called anuran 无尾目动物：无尾目（以前作无尾蛙类或无尾两栖类）的两栖动物，包括青蛙和蟾蜍 也作 anuran〔Devonian〕Of, belonging to, or designating the geologic time, system of rocks, or sedimentary deposits of the fourth period of the Paleozoic Era, after the Silurian and before the Mississippian or Carboniferous Period, and characterized by the appearance of forests and amphibians. See table at geologic time 泥盆纪的：归入古生代第四纪的地质时期的岩石系统或沉积矿床泥盆纪。处于志留记之后，密西西比纪或石炭纪之前，森林和两栖类的出现是其特征 参见 geologic time |
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