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单词	ortho-hydrogen
释义	ortho-hydrogen noun ¦ȯ(r)thə+ : molecular hydrogen in which the two hydrogen nuclei are spinning in the same direction ordinary hydrogen gas comprises an equilibrium mixture of three parts of ortho-hydrogen (with parallel nuclear spin) to one part of para-hydrogen (with antiparallel nuclear spin) Otto Reinmuth compare para-hydrogen
随便看	reduxest reduxxer reduxxest redward redware redwares redweed redwing redwings redwood Redwood City Redwood National Park redwoods redworm disease redyed redyeing redyes redying ree ree wheatgrass reearned reearning reearns reebok reeboks

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。