英语词汇certificate is not valid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	certificate is not valid
释义	is not— 不是 • 未有 not valid— 无效 not so— 不然 valid — 有效 • 作数 certificate n — 证 n • 证明 n • 券 n • 证明书 n • 证件 n • 凭证 n • 证照 n • 签证 n • 凭照 n • 证券 n not — 不 • 无 • 未 • 不是 • 非 • 没 • 并不 adv • 否 • 也不 adj valid adj — 效的 adj
随便看	i was proud I was proud of it i was proud of it I was proud of myself I was proud of myself i was proven right i was provided i was provided for I was provided for i was provided with i was provided with books i was proving I was pulled by I was pulled by i was punctual i was pushed i was pushed out i was put in charge of i was put off I was puzzled I was puzzled i was questioned about I was questioning i was quickly aware i was quickly made

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。

is not—