英语词汇“PPB”的读音、翻译、释义、用法及例句-语文网

词汇	PPB
释义	PPB 十亿分之一 parts per billion的简称，为微量分析或计量上表示微量物质浓度的单位。
随便看	Fullerton fullery full-face full-faced full-fashioned full-fat full featured Full Fibre Network full-figured full-flavored full-fledged full free trade area full-frontal full gold standard full-grown full-hearted full house full insurance full interest admitted full-length full lock full margin full marks full member full moon

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