billion

noun

1. the number that is represented as a one followed by 9 zeros

Synonym: one thousand million1000000000

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

Synonym: one million million1000000000000

3. a very large indefinite number (usually hyperbole)

e.g. there were millions of flies

Synonym: milliontrillionzillionjilliongazillion

adj

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

1. 十亿
A billion is a thousand million.

e.g. ...3 billion dollars...
30亿美元
e.g. This year, almost a billion birds will be processed in the region.
今年将会有近10亿只禽类在这个地区加工。

2. 大量；无数
If you talk about billions of people or things, you mean that there is a very large number of them but you do not know or do not want to say exactly how many.

e.g. Biological systems have been doing this for billions of years...
生物系统亿万年来一直都是这样。
e.g. He urged US executives to invest billions of dollars in his country.
他力劝美国公司的高管们向他的国家投资数十亿美元。

1. 十亿,万亿：interaction 互相影响,互相作用 | billion十亿,万亿100 | disadvantage 不利,不利条件,损害

2. billion的近义词

2. 千兆：billion electron volts 十亿电子伏 | billion 千兆 | billisecond 毫微秒

3. 千万：to some extent 达到某种程度 | billion 千万 | increasingly 越来越多地