英语词汇will be effective only if in writing and signed by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	will be effective only if in writing and signed by
释义	be effective [idiom.]— 行之有效 in writing adv — 以书面 adv by and by — 回头 if and only if — 若且唯若 • 当且仅当 will be v — 将是 v be in — 处 • 在于 if only — 只要 • 庶几 • 嘦 only if conj— 只有 adv
随便看	surveillance purposes surveillance reconnaissance surveillance records surveillance remote control surveillance remote monitoring surveillance report surveillance requirements surveillance results surveillance reviews surveillance robotics surveillances surveillance samples surveillance scheme surveillance server surveillance services surveillance ship surveillance should be surveillance society surveillance software surveillance solutions surveillance State surveillance Station surveillance study surveillance survey surveillance team

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。

be effective [idiom.]—