Unemployment has passed the four million mark.

失业人数已突破四百万大关。

《牛津词典》

The four million tons of CO2 produced by the plant each year will only cause about a micrometer rise in seawater over 100 years.

该厂每年产出四百万吨二氧化碳，在一百年内只会使海水升高一微米。

youdao

An evacuation of the city's four-million inhabitants is planned for later this week.

该市400万居民的撤离计划本周晚些时候进行。

《柯林斯英汉双解大词典》

More than one-fourth of the four million newborns who die each year around the world were born too early.

VOA: special.2009.10.19

So shortly after 9/11 the Government made a contract to a company called Acambis to make four hundred million doses of smallpox for $343 million dollars.

11后不久 政府与一个叫做,阿坎比斯的公司签订了合约,目的是用3.43亿美元,制造四亿支天花疫苗

耶鲁公开课 - 生物医学工程探索课程节选

As much as we know about tobacco in the United States and the fact that there are only half the number of people smoking than used to be the case, it's still expected to rise by 45% worldwide By 2030 the deaths attributed to smoking will increase from four to ten million.

就我所知美国的烟民情况,在美国吸烟的人数,只有过去的一半,在世界范围内仍有预计45%的增长,到2030年,死于吸烟的人数,将由四百万增长至一亿

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The strike has been called by Greece's two biggest trade unions, representing half the four million-strong workforce.

BBC: Greeks in fresh general strike against austerity

Of the four million infant deaths each year around the world, many are due to premature or low-weight births.

FORBES: The Sleeping Bag That Will Save Thousands of Babies

Both of us have said that we've got to care for Iraqi civilians, including the four million who have been displaced already.

CNN: Transcript of Thursday's Democratic presidential debate