中文翻译与英英解释

短语和例子
several billions of people 几十亿人。 Billion electron-volts 十亿电子伏。

the number that is represented as a one followed by 9 zeros
同义词：one thousand million, 1000000000,

the number that is represented as a one followed by 12 zeros; in the United Kingdom the usage followed in the United States is frequently seen
同义词：one million million, 1000000000000,

a very large indefinite number (usually hyperbole); "there were millions of flies"
同义词：million, trillion, zillion, jillion, gazillion,

denoting a quantity consisting of one thousand million items or units in the United States

denoting a quantity consisting of one million million items or units in Great Britain

例句与用法

It has a half-life of about 41/2 billion years .
它的半衰期大约为45亿年。

Pennsylvania sits on 35 billion tons of coal .
宾州煤的蕴藏量为三百五十亿吨。

But these imports came to nearly 127 billion dollars .
但是，这些进口商品的价值总额却接近1270亿美元。

At some time more than five billion years ago the universe started .
在50亿年前的某个时候，宇宙开始形成。

The universe as a whole contains billions of comparable galaxies .
整个宇宙，包含亿万个可以比拟的银河系。

The sun has been emitting energy at this rate for billions of years .
太阳以这样的强度辐射已有10亿年之久。

A bank had billions of dollars in clients' trust funds to invest .
银行吸引了几十亿美元的客户信托金供投资之用。

The savings due to increased health would be about 2 billion annually .
由于增进了健康，每年节约为20亿美元左右。

The youngest rocks found on the moon are 3 billion years old .
在月球上发现的地质年代最晚的岩石已有30亿年历史了。

As a slowly contracting dwarf the star may remain luminous for billions of years .
收缩较慢的白矮星仍会发光几十亿年。