英语词汇“ppb”的读音、翻译、释义、用法及例句-高考报名网

词汇	ppb
释义	ppb abbr.（缩写 abbreviation）十亿分率,十亿分之…(= parts per billion) 规划-设计-预算(法)（→ PPB）(= Planning-Programming-Budgeting) 同义: parts per billion十亿分率,十亿分之… Planning-Programming-Budgeting规划-设计-预算(法)
随便看	handsome ransom hands-on handspike handspring handstaff handstand handstroke handtector hand-tight hand to hand hand-to-hand hand-to-mouth hand tool hand towel hand truck hand-washing handwheel handwork handworked handworker handwoven hand-wringing handwrite handwriting handwritten

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