英语词汇ppb, p.p.b.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	ppb, p.p.b.
释义	ppb, p.p.b. abbr. parts per billion 〈美〉十亿分率，十亿分之…
随便看	inputter inputter inputting inq. inqilab in quadruplicate in quality of inquest in question in-question in quest of inquests inquest's in quick succession in quick (或 rapid) succession inquiet inquietation inquieted inquieting inquietly inquietly inquietness inquietness inquiets inquietude

英汉双解词典包含548777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。