单词	trivalent
释义	trivalent adjective tri·​va·​lent (ˌ)trī-ˈvā-lənt  1 : having a chemical valence of three 2 : conferring immunity to three different pathogenic strains or species a trivalent influenza vaccine Example Sentences Recent Examples on the Web As a first step, in April 2016 all countries switched from the trivalent version of OPV—which covers all three types of polio virus—to a bivalent one, which lacks the type 2 component. Leslie Roberts, Science | AAAS, 10 July 2019 Word History Etymology International Scientific Vocabulary First Known Use 1865, in the meaning defined at sense 1 Medical Definition trivalent 1 of 2 adjective tri·​va·​lent (ˈ)trī-ˈvā-lənt  1 : having a chemical valence of three 2 : conferring immunity to three different pathogenic strains or species a trivalent influenza vaccine trivalent 2 of 2 noun : a group of three synapsed homologous chromosomes in meiosis
随便看	slavs slavver slavvest slaw slaws slay slayed slayer slayers slaying slayings slays SLBM SLC sld SLE slead Sleaford sleave sleave silk sleaved sleaves sleaving sleaze sleaze factor

英语词典包含469781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。