homologous series
noun [ C ] chemistry specialized uk/həˌmɒl.ə.ɡəs ˈsɪə.riːz/ us/hoʊˌmɑː.lə.ɡəs ˈsɪr.iːz/
同系物
a series of organic substances (= substances containing the element carbon) with similar characteristics
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。