| 单词 | 组成要素 |
| 释义 | 〔RNA〕A polymeric constituent of all living cells and many viruses, consisting of a long, usually single-stranded chain of alternating phosphate and ribose units with the bases adenine, guanine, cytosine, and uracil bonded to the ribose. The structure and base sequence of RNA are determinants of protein synthesis and the transmission of genetic information. Also called ribonucleic acid 核糖核酸：是所有活细胞和许多病毒的一种聚合组成要素，由一条长的、通常是单线的相互交替的磷酸盐和核糖单位组成，核糖上又附着有腺嘌呤，鸟嘌呤，胞核嘧啶及尿喀啶等基本成分。核糖核酸的结构及基本顺序是蛋白质的合成及遗传信息的决定因素 也作 ribonucleic acid〔chiliad〕A group that contains 1,000 elements.一千：包括一千个组成要素的一个群体〔quark〕Any of a group of hypothetical elementary particles having electric charges of magnitude one-third or two-thirds that of the electron, regarded as constituents of all hadrons. See table at subatomic particle 夸克：一组假想的电粒子中的任一个，它带有电子的三分之一或三分之二的电荷量，被认为是所有强子的组成要素 参见 subatomic particle〔component〕A constituent element, as of a system.See Synonyms at element 成分：系统的组成要素 参见 element〔cosmopolitan〕Having constituent elements from all over the world or from many different parts of the world:世界性的：由全世界或全世界许多不同地方的组成要素构成的：〔cylindroid〕A cylindrical surface or solid all of whose sections perpendicular to the elements are elliptical.椭圆柱：与组成要素垂直的所有圆柱形表面或柱体的部分是椭圆形的柱体〔symmetry〕A relationship of characteristic correspondence, equivalence, or identity among constituents of an entity or between different entities:对称性：一个实体或在不同的实体中的组成要素之间的特有的对应、相当或相同的关系： |
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