单词	semiellipse
释义	semiellipse noun semi·​ellipse "+ : the part of an ellipse from one end of usually the transverse diameter to the other : half ellipse Word History Etymology semi- + ellipse
随便看	octachord octachords Octacnemus octacosane octad octadecane octadecanol octadecyl octadrachm octads octagon octagonal octagonally octagons octahedra octahedral octahedral cleavage octahedral iron ore octahedrally octahedrite octahedron octahedrons octal octaler octalest

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。