单词	para-hydrogen
释义	para-hydrogen noun ¦parə+ : molecular hydrogen in which the two hydrogen nuclei are spinning in opposite directions so that their contribution to the total angular momentum is zero compare ortho-hydrogen Word History Etymology para- entry 1 + hydrogen
随便看	ferdowsī fere fereghan feres feretories feretory ferfel Fergana ferganite ferghanite fergusonite fergusonites feria feriae ferial ferialer ferialest ferialler feriallest ferias feriation ferine Feringhee feringhi feringi

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。