For the first time, scientists around the world had a limitless number of cells they could use to test the effects of diseases, medicines and chemicals.
VOA: special.2010.07.21
That a free laborer is a mobile laborer, especially in a society like the United States that had this thing called The West, the limitless apparently to them anyway--boundless West.
自由劳动者是流动的,尤其处在美国这样的社会,有他们所说的广袤的西部,特别对他们来说,无边际的西部
By the 1820s, already, within a decade of the War of 1812 and the opening of the frontier, cotton's future seemed limitless.
截至十九世纪二十年代,这其中包括了1812年开战的十年战争,以及边疆的开拓,棉花产业的未来似乎无限
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