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单词	tetrasome
释义	tetrasome noun tet·​ra·​some plural -s : an association (as in a polyploid) of four homologous chromosomes in the meiotic prophase compare bivalent, tetrad Word History Etymology tetra- + -some
随便看	planktonic planktonology planktons planktont plankways plankwise planless planlessly planlessness planlessnesses planned planned economy planned obsolescence planner planners planning planning board plannings plano- plano-concave plano-convex planoblast planoblastic planoblasts planoccipital

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。