This drug has one important limitation. Its effects only last six hours.

这种药物有一个很大的限制因素，其药效只能持续6个小时。

《柯林斯英汉双解大词典》

Only the mighty God has the power on this dark land to lighten it.

只有万能的上帝才有能力在这块黑暗的土地上使它变明亮。

youdao

Waiter, this lobster has only one claw.

服务员，这个龙虾只有一只爪。

youdao

It has only about fifty students now, but the university says it has received about ninety applications for admission this fall.

VOA: special.2009.05.07

So you're telling me about this program: They're the only institution in America, there has an actual credited program which produces Muslim chaplains.

刚才你在跟我谈到这个项目：,他们是美国唯一的一所,培养穆斯林教士的有学分的项目。

普林斯顿公开课 - 人性课程节选

Now, language is not the only thing in culture or nature that has this sort of combinatorial system.

语言并不是在文化或自然中,唯一拥有这种组合系统的事物

耶鲁公开课 - 心理学导论课程节选

Not only has this put off many swing voters, it has also cemented the impression that Mr Romney is a slippery flip-flopper.

ECONOMIST: Overview

The NBA, however, only has this scale for first-round players.

FORBES: One Area Of Agreement In NFL Labor Dispute: Take Money From The Rookies

President Obama not only has reversed this temporary decline.

FORBES: Bullets vs. Band-aids: Is Health Spending Crowding out Defense?