英语词汇ppb的读音、翻译及短语词组释义-英汉双解词典-求索网

单词	ppb
释义	ppb【化】十亿分率 ppb ppb abbr.（略语）Parts per billion.十亿分率，十亿分之…
随便看	ketoreductase ketose ketoside ketosis ketosis threshold ketosomia ketostearic acid ketosteroid ketosuccinic acid ketosuria keto-tetrahydrophenanthrene ketotetrose ketotifen ketotriazole keto-urine ketovaleric acid ketovinylation ketoxime ketoxylose Kettering Kettering College of Medical Arts kettle kettledrum kettle of fish kettle reboiler

英汉双解词典收录913115条英汉汉英双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。