英语词汇primary service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	primary service
释义	primary service preservationistn. 保护主义者 preservativen. 防腐剂；预防法；预防药 adj. 保存的；有保存力...
随便看	Excess Portfolio Returns excess portion excess postage excess power excess precipitation excess present value excess present value index excess pressure excess pressure cutout excess pressure for supplying gas excess pressure head excess pressure of sound excess pressure pump excess pressure simulator excess pressure valve excess produce excess product excess production excess productive capacity Excess profit excess profit credit excess profit duty excess profit levy Excess profits excess profits credit

英汉双解词典包含3607232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。