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	excretory excruciate excruciated excruciates excruciating excruciatingly excruciatingly excruciation excruciations excubitoria excubitorium excud. excudit exculpable exculpable exculpate exculpated exculpates exculpating exculpation exculpation exculpations exculpatory ex curia ex curiae

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。