英语词汇ppm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	ppm
释义	ppm noun [ U ] uk/ˌpiː.piːˈem/ us/ˌpiː.piːˈem/ 百万分之…(衡量物质与液体或其他物质混合时的度量单位，parts per million的缩写） abbreviation for parts per million (= a unit for measuring the amount of a substance that is mixed with a liquid or another substance)
随便看	no end of something no enough room to swing a cat noes noetic no expense is spared no-fault no fear! no fear no fewer than no flies on someone inexpert inexpertly inexplicable inexplicably inexpressible inexpressibly inexpressive inextinguishable in extremis inextricable inextricably in fairness infallibility infallible infallibly

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