| 单词 | purine |
| 释义 | Word Frequency purine(ˈpjʊəriːn) or purin (ˈpjʊərɪn) noun 1. a colourless crystalline solid that can be prepared from uric acid. Formula: C5H4N4 2. Also called: purine base any of a number of nitrogenous bases, such as guanine and adenine, that are derivatives of purine and constituents of nucleic acids and certain coenzymes Word origin C19: from German Purin; see pure, uric, -ine2 |
| 随便看 |
英语词典包含233703条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。