Berman says the legislation would be only one point of pressure on Iran to roll back its uranium-enrichment program, which the United States believes is aimed at producing a nuclear weapon.

VOA: standard.2009.10.28

Levi-Strauss writes: Whatever may have been the moment and the circumstances of its appearance in the scale of animal life, language could only have been born in one fell swoop.

列维，施特劳斯写道：,不论语言是何时何种环境下,在动物的历史中诞生的，语言只可能是一刹那间诞生。

耶鲁公开课 - 文学理论导论课程节选

It's at this moment that the poem reaches a remarkable climax, and I have to say that this is actually only one of the poem's remarkable climaxes. This poem has amazing ebbs and flows throughout its entirety, but without question this is one of the most intense personal moments in the elegy.

这个时候这首诗达到了非凡的高潮，这其实只是这首诗的众多高潮,之一，这首诗从头到尾都充满起伏,但毫无疑问,这是这首悼亡诗里最私人的几处之一。

耶鲁公开课 - 弥尔顿课程节选

There are hundreds,thousands of them known now, and each one has a specific character and one aspects of its character is that it only binds and cuts at a particular sequence of DNA.

已知的有成百上千种,每一种都有自己的特性,特性之一是,只结合和切割特定的某一种DNA序列

耶鲁公开课 - 生物医学工程探索课程节选