She started a degree but dropped out after only a year.

她在攻读学位仅一年后就退学了。

《牛津词典》

After only a year of training, Zhang Jiacheng has improved his skills dramatically.

仅仅经过一年的训练，张家成的球技就有了显著的提高。

youdao

It's only a year since I last saw the child and he's grown so tall.

这孩子一年不见，长这么高了。

《新英汉大辞典》

Online advertising sales in China are estimated to bring Google only a few hundred million dollars a year.

VOA: special.2010.01.15

They cover only one part of a year and yet they carry details of thousands of transactions in hundreds of places.

它们只记录了一年的一部分,但是他们,记录了几百个地方数千宗交易的细节

耶鲁公开课 - 古希腊历史简介课程节选

which you'll think, only a ten or eleven year old, but when there is thirteen of them, it's a lot.

你会想，不就是十岁、十一岁的小孩嘛，但有十三个还是很多的。

大城市是否危险？ - SpeakingMax英语口语达人

Polls indicate that fewer Latinos oppose gay marriage and abortion than only a year ago.

NPR: The Latino Vote, on its Own Terms

So how to explain the seeming contradiction with two larger studies published only a year ago?

FORBES: Do Multivitamins Prevent Cancer?

While stocks initially rise with inflation, that relationship holds for only a year or two.

FORBES: Is The Stock Rally Real?