基础释义
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柯林斯词典释义

福克斯词典 \ 英汉词典 \

billionths是什么意思？

billionths

十亿分之一

例句

The materials do not occur naturally but a nano scale, measured in billionths of a metre. 这种材料不是天然存在的,而是以纳米量级(十亿分之一米)研发而成.
That's still a few billionths of the fractional pressure changes your ear can detect. 而这仍然只有你的耳朵能探测到的压力变化的几十亿分之一.
The an emulsion of droplets between 100 and 300 nanometres ( billionths of a metre ) across. 这些微粒仅宽100—300纳米 ( 一米的十亿分之一 ).

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柯林斯高阶英汉双解学习词典释义

ORD

第十亿（个）

The billionth item in a series is the one you count as number one billion.
例句
Disney will claim its one billionth visitor before the end of the century. 迪士尼的游客在本世纪末将会超过10亿。
FRACTION

十亿分之一

A billionth is one of a billion equal parts of something.
例句
...a billionth of a second. 十亿分之一秒

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