英语词汇protectional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	protectional
释义	protectional 简明释义保护的防卫的网络释义短语 1 environment protectional polyurethane waterproof coating 环保聚氨酯防水涂料双语例句 1 To investigate the protectional mechanism of the prescription. 探讨该方对胃黏膜的保护作用机制。 2 A kind of environment protectional benzene-propyl later paint, which was suit to coat inner wall was prepared. 研制了一种适用于内墙涂装的环保型苯-丙乳胶漆。
随便看	negative inventory negative investment negative ion negative ion negative ion acceleration negative ion accelerator negative ion, anion negative ion beam negative ion chemical ionization negative ion cyclotron negative ion densitometer negative-ion densitometer negative ion formation negative ion generator negative ionic drugs negative ion laser negative ion mass spectrum negative ion mass spectrum negative ion reaction negative ions negative ion source negative ion sourse negative ion vacancy negative-ion vacancy negative-ion valance

英汉双解词典包含3185865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。