billionth
英['bɪljənθ]
美[ˈbɪljənθ]
例句
英语四级真题
Thus, time and time's relativity are measurable by any hourglass, alarm clock, or an atomic clock that can measure a billionth of a second.
出自-2011年6月听力原文
柯林斯高阶英汉双解学习词典释义
英英词典释义
Noun
1. position 1,000,000,000 in a countable series of things
2. one part in a billion
Adjective
1. the ordinal number of one billion in counting order