| 单词 | 蜕变 |
| 释义 | 〔radon〕A colorless, radioactive, inert gaseous element formed by the radioactive decay of radium. It is used as a radiation source in radiotherapy and to produce neutrons for research. Its most stable isotope is Rn 222 with a half-life of 3.82 days. Atomic number 86; melting point -71°C; boiling point -61.8°C; specific gravity (solid) 4. See table at element 氡：一种无色、有放射性的惰性气体元素，由镭蜕变产生。在放射疗法中可用作辐射源，在科研中可用于制造中子。它最稳定的同位素是Rn222。半衰期为3.82天。原子序数86；熔点-71°C；沸点-61.8°C；比重（固态）4 参见 element〔imago〕An insect in its sexually mature adult stage after metamorphosis.成虫：蜕变后处在性成熟状态的昆虫〔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 〔hemimetabolous〕Undergoing a metamorphosis that lacks a pupal stage. Used of certain insects.半变态的：经历缺少蛹的阶段的蜕变的。用于某些昆虫〔series〕a radioactive decay series; the paraffin alkane series.放射性蜕变的系列；链烷烃系列〔disintegration〕The act or process of disintegrating.碎裂，粉碎：使分裂、蜕变的行为或过程〔into〕dishes breaking into pieces; changed into a butterfly.碟子摔成碎片；蜕变成蝴蝶 |
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