Only one of the answers is correct.

这些答案中只有一个是正确的。

《牛津词典》

Only one of these to be attempted.

只有一件事可以尝试。

youdao

This is only one of the many strains of the disease.

这种病有许多类型，这只是其中之一。

《牛津词典》

That was only one of the many times Bill Tilghman used his gun as a law officer.

VOA: special.2010.03.10

But this of course, as we know, is only one of the ways in which Milton's power, or what Woolf thinks of as his leadership, can be thought of.

但我们知道，这不是看待,弥尔顿的力量，或者伍尔夫所指的他的领导力，的唯一方式。

耶鲁公开课 - 弥尔顿课程节选

I only had one year left of university, it was too late to, to change from... to a too different subject,

我还有一年就要毕业，所以已经来不及换专业了，

换专业的理由 - SpeakingMax英语口语达人

She is only one of the benefactors who signed on to help Baan Borang.

FORBES: Weaving Connections

EatWith is only one of several sites that bring strangers together for unconventional dining experiences.

BBC: Would you eat in a stranger's home?

But food aid is only one of the tools we have to respond in an emergency.

NPR: Global Humanitarian Group Rejects U.S. Aid - Part II