billion中文什么意思

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

• 105 billion:    一千零五十亿
• 140 billion:    一千四百亿
• 15 billion:    一百五十亿

例句与用法

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1. It has a half-life of about 41/2 billion years .
   它的半衰期大约为45亿年。
2. Pennsylvania sits on 35 billion tons of coal .
   宾州煤的蕴藏量为三百五十亿吨。
3. 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。
4. 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。
5. 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。

英文释义

名词

1. the number that is represented as a one followed by 9 zeros
   同义词：one thousand million, 1000000000
2. 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
3. a very large indefinite number (usually hyperbole); "there were millions of flies"
   同义词：million, trillion, zillion, jillion, gazillion

形容词

1. denoting a quantity consisting of one thousand million items or units in the United States
2. denoting a quantity consisting of one million million items or units in Great Britain