英语词汇concentration fluctuations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	concentration fluctuations
释义	concentration fluctuations
随便看	district councils District court District Court Judge District courts district courts statistics district curves district dip district division district doctor district engineer district feed system district forecast district forester district for foreign missions district frame district general administrator District General Hospital district government district haulage conveyer district health District Health Authorities district health department district health station District heating district heating atomic power plant

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。