英语词汇protective efficacy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 efficacy
释义	protective — 预防性 efficacy n — 效 n • 效力 n • 功效 n • 效能 n • 成效 n • 力道 n • 功力 n
随便看	oxide formed oxide free oxide fuel cell oxide glasses oxide gold oxide grains oxide growth oxide hydroxide oxide-interface oxide ions oxide layer oxide line oxide material oxide minerals oxide ore oxide pathway oxide petroleum oxide red oxide reducing oxide reliability oxide removal oxide rust oxides oxide scale oxide semiconductor

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 —