英语词汇.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

单词	.ppm
释义	ppm, p.p.m., PPM abbr.parts per million 百万分之…,百万分率
随便看	thingnesses thing of naught thing of the past things. things-in-themselves things without us thingumabob thingumabobs thingumajig thingumajigs thingumbob thingumbobs thingummies thingummy thingy thingys think thinkable thinkableness thinkably think about think a great deal of think ahead think ahead to think all the better of someone

英汉双解词典包含483723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。