英语词汇“一万亿分之几”的翻译、意思、用法、释义-英汉汉英词典

单词	一万亿分之几
释义	一万亿分之几parts per trillion｛=pp｝
随便看	thread tapper thread template thread test thread-testing approach thread the needle thread through thread tool thread tool gage thread tracing thread trees thread trimmer thread trimming device thread tube thread turning thread turning machine thread-- u.s. standard thread; u.s. standard thread vein thread whirling thread; whitworth thread worm thread--worm thread-worm threadworm thread worm disease