这里是唯一一个皇室家族可以真正放松地过自由自在家庭生活的地方。

It was the only place where the royal family could really relax and lead an untrammelled domestic life.

《柯林斯英汉双解大词典》

埃洛普不是唯一一个犯了错的人。

Elop was not the only person at fault.

youdao

但埃洛普不是唯一一个犯了错的人。

But Elop was not the only person at fault.

youdao

It's one of the only compounds, there's only I think three, where the density actually goes down when it freezes.

它是我见过的，唯一一个，在降温时密度下降的化合物。

麻省理工公开课 - 固态化学导论课程节选

I've always been like that. Byron was the only person I enjoyed reading during the nail-biting and tense period of studying for my orals.

我从下就这样，拜伦是,我读书的时候唯一一个喜欢的作家。

耶鲁公开课 - 文学理论导论课程节选

Then I know someone else in the department and, as best I know, I'm the only person she knows.

我也认识系里另一个人，据我所知，我是她唯一认识的人。

耶鲁公开课 - 心理学导论课程节选