英语词汇negative and positive controls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	negative and positive controls
释义	positive and negative— 正反 • 正负
随便看	did i forget something did i gain did i get it did i get lost did i give did ignore did i go wrong did i guess did I guess did i happen to did i have did i hear it did i include did i indicate did i interrupt did i just did i know did I make myself clear did i manage did I mention did i mention that did I miss did I miss anything did I miss anything did I miss something

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。

positive and negative—