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	bulb failure bulb for bulb garlic bulb glass bulb grower bulb head bulb holder bulb is broken bulb keel bulb lamp bulb life bulb light bulb light source bulb mode bulb of garlic bulb onion bulbous bow bulb replacement bulbs bulbs and flowers bulb section bulb setting bulb shooting bulb surface bulb temperature

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 —