单词	saviour sibling
释义	saviour siblingˈsaviour ˌsibling noun [countable] a child that is born so that cells from its body can be used to treat a sick brother or sister
随便看	omen -ometer OMG ominous ominously omission omit omni- omnibus omnipotence omnipotent omnipresence omnipresent omniscience omniscient omnishambles omnivore omnivorous on on-air Onassis, Aristotle Onassis, Jackie on-board once Once in Royal David's City

英语词典包含52748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。