单词	iff
释义	iff 1 of 2 conjunction ˈif-ᵊn(d)-ˈōn-lē-ˌif  ˈif, sometimes read with a prolonged f  : if and only if two figures are congruent iff one can be placed over the other so that they coincide —used in logic and mathematics IFF 2 of 2 abbreviation identification, friend or foe Word History Etymology Conjunction alteration of if entry 1 First Known Use Conjunction 1955, in the meaning defined above
随便看	nonlocally nonlocals nonlogical nonluminescent nonluminous nonlustrous nonmagnetic nonmailable nonmainstream nonmajor nonmajors nonmalignant nonmalleable nonmammalian nonman nonmanagement nonmanagements nonmanagerial nonmandatory nonmanual nonmanufacturing nonmanufacturings nonmarine nonmarital nonmarket

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。