英语词汇10s of 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

英汉双解词典包含2273206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。

单词	10s of ppm
释义	of — 的
随便看	entertain doubts entertain doubts about entertained entertained through entertained with entertainer entertainers entertain guests entertain illusions entertaining entertaining activities entertaining anecdote entertaining application entertaining area entertaining at home entertaining book entertaining character entertaining clients entertaining content entertaining events entertaining expenses entertaining experience entertaining family entertaining film entertaining friends

of —