Troy was besieged by the Greeks for ten years.

特洛伊城被希腊人围攻历时10年。

The first ascent, in 1958, took 47 days.

1958 年，此岩初被征服，攀峰历时长达 47 天。

There were eight days of debate in Britain's House of Commons.

英国的下议院进行了历时8天的辩论。

Hundreds of air crew counted elephants in 18 countries across the continent over two years.

数百空中工作人员历时两年清点非洲大陆上18个国家的大象数目。

He is connection with a long-running investigation known as Operation Car Wash.

他与一项历时弥久的有关，该为洗车行动。

You could say the Stone Age went on for ages and ages and ages.

你可以时代历时了很久很久。

After more than four months of operations, Raqqa is more than 90 percent cleared.

在历时4个多月的行动后，现在，拉卡市90%多的领土也得到了清理。

And after this very long three-year transition period, they expect elections.

他们希望在这个历时三年的过渡时期结束后，苏丹可以举行选举。

It took three years of research and development, and it cost around $20,000 to build.

其研发历时三年，造价约2万美元。

Humanity's longest experiment in controlled evolution has had other side effects as well.

人类在控制进化方面历时最久的实验也有其他副作用。

Many victims have said the Vatican has not done enough to address the decades-long scandal.

许多受害者表示，梵蒂冈没有采取足够措施来处理这起历时数十年的丑闻。

NASA says the plan will cost $28 billion dollars over a period of five years.

NASA表示，这项计划历时五年，预计耗资280亿美元。

One hundred one days and 4,300 nautical miles later, his raft reached French Polynesia.

在历时101天、航行4300海里之后，他的木筏到达了法属波利尼西亚。

Work began in 1933. The project took four years to complete.

大桥于1933年开始施工，历时4年完工。

Construction of the bridge took over four years, and was notable for advances in safety.

大桥的建设历时四年，并以其在安全方面的先进性而闻。

The majority of refugees are Syrians, fleeing four and a half years of civil war.

大多数难民是逃离已历时四年半的内战的叙利亚人。

But if Britain thinks it can take months, French President Francois Hollande saw things differently.

英国可能认为这会历时数个月的时间，但是法国总统弗朗索瓦·奥朗德有不同的看法。

But the long answer is really, really long.

详细来，这个程序历时非常长。

In 2008, Israel launched a ground operation called Operation Cast Lead, took 22 days.

2008 年，以色列发起了一项为铸铅行动的地面行动，历时 22 天。

It can take two years for the cheese to age and get ready for consumption.

这种奶酪的制作工序需要历时2年时间之后才能开始使用。