英语词汇“if and only if”的翻译、意思、用法、释义-英汉双解词典-雅致网

单词	if and only if
释义	if and only if See if¹
随便看	civilness civil parish civil partnership civil partnerships civil plea civil religion civil right civil righter civil rightist country people country pepper country pie country-plain countrypolitan country road country rock country rocker country seat country seats country-selling country service countryside countryside campaigner Countryside Commission countryside ranger 超越超车超载超迁超过超速超逸超重超重氢超链接 Gasuhr Gasumbau Gasumbauen Gasumlauf Gasumsteuerung Gasumwälzung Gasundurchlässigkeit Gasundurchlässigkeitprüfung Gasungsspannung Gasuntersuchung