基本解释n.千分之一同根派生 one-thousandth相关词英汉例句用作名詞 (n.)A dust particle weighs only a thousandth of a gram.一粒塵埃的重量僅有千分之一尅。There is one chance in a thousand that he will fulfil the plan.他實現自己計劃的機會衹有千分之一。one-thousandth更多例句