在过去的两年半里。
I have spent two and a half years at the school.
我在这个学校已经两年半了。
The trial will take place over the next two and a half years.
本次试验将在未来的两年半内进行。
I have now spent two and a half years as Director-General of WHO.
我担任世卫组织的总干事已有两年半的时间。
He usually spends about two and a half years in each zodiac sign.
他通常花近两方面，每个星座半。
The infection rate was 39 percent lower after two and a half years.
而使用两年半以后，感染率则可降低39%。
My two and a half years here has been wonderful and very exciting.
在这儿的两年半里我过得很精彩、很开心。
After two and a half years their weight gain had risen to 3.1 kilos.
两年半之后他们的体重增长到了3.1千克。
The project had been expected to be completed in two years and a half.
人们本来等待这项工程在两年半内竣工。
It takes most people between one and a half to two years to fully adjust.
大部分人需要一年半到两年的时间才能完全调整好。
It can take up to two-and-a-half years in this country.
在这个国家有时会长到两年半的时间。
In the two-and-a-half years since I last saw her, her life has been transformed.
自从我上次见到她，已经有两年了。两年中，她的生活可谓沧海桑田。
In the two-and-a-half years since I last saw her, her life has been transformed.
自从我上次见到她，已经有两年了。两年中，她的生活可谓沧海桑田。
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