英语词汇protective envelope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	protective envelope
释义	protective — 预防性 envelope — 信封 • 外壳 • 函 • 焘 • 封皮 envelope n — 封套 n • 包络 n
随便看	give little thought give loans give location give love give love and affection give low marks give mandate give massage give material assistance to give maximum give maximum flexibility give m best give me 100 give me a all give me a answer give me a bit give me a boost give me a break! give me a break! give me a call give me access give me a chance give me a confirmation give me a copy give me a credit

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。

protective —