英语词汇if and if only怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	if and if only
释义	if and only if — 若且唯若当且仅当 See also: if only — 只要 • 庶几 • 嘦 only if conj— 只有 adv
随便看	by this will by Thomas by Thomas by those documents by those means by those numbers by those present by those who by those within by thoughtful by threading by threatening by three arbitrators appointed in accordance with said rules by three times by through by throwing by throwing away by Thursday afternoon by Thursday afternoon by thy by ticking by ticking a box by ticking off by ticking off the box by ticking one of the boxes

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

if and only if —