| 单词 | 二价 |
| 释义 | 〔diakinesis〕The final stage of the prophase in meiosis, characterized by shortening and thickening of the paired chromosomes, formation of the spindle fibers, disappearance of the nucleolus, and degeneration of the nuclear membrane.丝球期：有丝分裂的最终阶段，以二价染色体的收缩、纺缍形纤维的形成、核仁的消失以及核膜的退化为特点〔imine〕A compound derived from ammonia and containing the bivalent NH group combined with a bivalent nonacid group.亚胺：源自氨的一种化合物，含有与一个二价非酸基结合的氨基(NH)〔sulfide〕A compound of bivalent sulfur with an electropositive element or group, especially a binary compound of sulfur with a metal.硫化物：带阳电的成分或集团的二价硫，尤指带金属元素的二价硫〔imide〕A compound derived from ammonia and containing the bivalent NH group combined with a bivalent acid group or two monovalent acid groups.酰亚胺：源自氨的一种化合物，含有与一个二价酸基或者二个一价的酸基结合的氨基(NH)〔bivalent〕A pair of homologous, synapsed chromosomes associated together during meiosis.二价染色体：在成熟分裂时联在一起的一对同源、联会染色体〔phenylene〕A bivalent organic radical, C6H 4, derived from benzene by removal of two hydrogen atoms. 亚苯基：一种二价的有机基因，C6H 4，通过去掉两个氢原子，从苯中衍生 〔platinous〕Of, relating to, or containing platinum, especially with valence 2.铂的：属于、关于或含有铂的，尤指二价铂的〔sulfinyl〕The bivalent group SO. Also called thionyl 磺酰，硫酰：二价硫基SO 也作 thionyl |
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