英语词汇“ppb”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ppb
释义	ppb (also p.p.b.) abbreviation 1(In publishing) paper, printing, and binding. 2Parts per billion.
随便看	pulk pulka pull pullable pull a boner pull a face (or faces) pull a fast one pull-along pull-and-push pull-apart pull-away pull-away boy pullback pull back (or pull someone/thing back) pull-bell pull-boat pull-bone pull cord pull-date pull-doo pull-down pulled bread dirtboarding dirt cheap dirt farm

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