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. 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。
2. 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。
3. 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。
4. 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。
5. 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。

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