Strano's team found that they could create a faint light for three and a half hours.

Strano 的团队发现，他们可以在三个半小时内产生微弱的光线。

youdao

How long have you collected shells? I have collected shells for three and a half years.

你收集贝壳多长时间了？我收集了三年半。

youdao

I was only back for three and a half weeks when DWade dislocated his shoulder.

我回队刚过三周半，韦德的肩膀就脱臼了。

youdao

In all,his plan calls for three and a half trillion dollars in federal spending for the two thousand ten budget year starting in October.

VOA: special.2009.02.27

You can see that when you get out to the highest groups here, the highest weights, the relative risk is up at two and a half or three, so that would be a 200% increase in risk for cardiovascular death or two to three times the risk of death.

当我们看图上相对风险最高的这组,也就是体重最大的这组,这组的相对风险大约是2.5倍到3倍,即心血管疾病致死的风险增加了200%,或者说增加了2到3倍

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And if you are prepared to stand up for about two and a half to three hours to watch a play,

而且你要准备好了站上大约两个半小时到三个小时，去看一场戏剧，

莎士比亚环球剧院 - SpeakingMax英语口语达人

So he laid siege to Sarajevo for three and a half years and 10, 000 people died.

BBC: Ratko Mladic capture: Hope of justice at last

Can a coalition split so spectacularly on Europe be sustained for three and a half years?

BBC: Europe - the coalition shakes

The 22-year-old will tour Fiji, Tonga and Samoa for three and a half weeks starting on 8 June.

BBC: Acorn forward selected for tour