The study exposed 20 ash trees to various radiation sources for a period of three months.

这项研究让20棵白蜡树在三个月的时间里暴露在各种辐射源之下。

youdao

Our love affair would be on probation for a period of three months and depending on compatibility, would be made permanent .

我们的恋情将有三个月的试用期，根据我们之间的兼容性，这份爱情有可能成为永久的爱情。

youdao

This system for learning meant that I was able to tackle three languages at a time and master them over a period of three months.

这种学习方法意味着我能够同时学习3种语言，并用3个月的时间掌握它们。

youdao

It's the one where you have to get three shots over a period of six months, and so you have to remember to go back, you get a first ba--you get a first shot, you have to remember to go back after a month and get a second shot, you have to go back after six months and get a third shot.

这种疫苗需要在六个月里注射三次,所以你要记得再去,你第一次,你第一次注射后,你要记得一个月后再去注射第二次,六个月后,你还得再去注射第三次

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When implanted in the upper arm, it releases the drug over a period of three months to a year.

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The regional leaders' plan foresees an integrated force being deployed for an initial period of three months at Goma airport, Ugandan Gen.

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In exchange for agreeing to reduce its wages for a period of three months, many players were able to negotiate an exemption from transfer fees.

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