单词 | 美西蝾螈 |
释义 | 〔axolotl〕Any of several salamanders (genusAmbystoma ) native to Mexico and the western United States that, unlike most amphibians, often retain their external gills and become sexually mature without undergoing metamorphosis. 美西蝾螈:几种原产于墨西哥和美国西部地区的蝾螈(蝾螈属 ),不象大多数别的两栖动物,它们一般保留外部的鳃且不用经历蜕变就成熟 |
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