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

On average, the studies followed people for about three and a half years.

平均下来，这样研究进行了3年半。

youdao

After three and a half years, she said yes, and within weeks she was transformed.

在三年半之后，她同意了，之后在几周之内她就有所改变了。

youdao

After three and a half years of fighting, hundreds of thousands of Union and Confederate soldiers had been killed or wounded.

VOA: special.2009.12.03

This Cambridge History of Food talks about three separate primary phases in human food evolution: one beginning a million and a half years ago, another about 700,000 years ago, and then the 10,000 year ago one that I talked about just a moment ago.

剑桥饮食史》描述了,人类饮食结构演化过程中的三个不同阶段,其一,始于一百五十万年前,其二,距今约七十万年,其三,距今一万年,我们刚讨论过了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"Because we asked, and other parties asked, three years ago three and a half years ago for the setting up of the Iraq Inquiry."

VOA: standard.2010.01.22

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

During these three and a half years, workers, pensioners and the economy suffered horribly.

FORBES: Magazine Article

Compare this performance to three and a half years ago, when Weiner joined LinkedIn.

FORBES: Magazine Article