单词 | protoctist order |
释义 | protoctist order (extremely rare) n WORD FAMILY protoctist order n the order of protoctists Hypo|Hyper Heterotrichales, order Heterotrichales yellow-green algae with simple or branching filaments; comprising the single family Tribonemaceae Laminariales, order Laminarialesin some classifications coextensive with family Laminariaceae: marine brown algae of cold or polar seas Ulvales, order Ulvalesan order of protoctist Volvocales, order Volvocaleschiefly freshwater green algae; solitary or colonial Chlorococcales, order Chlorococcalesunicellular green algae that reproduce by spores Oedogoniales, order oedogonialessimple or branched filamentous freshwater green algae Charales, order Charalessmall order of macroscopic fresh and brackish water algae with a distinct axis: stoneworts order (biology) taxonomic group containing one or more families |
随便看 |
|
英语词典包含147318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。