President Richard Nixon used to say that the first civil right of every American "is the right to be free from domestic violence."
VOA: special.2009.02.28
They will be made available free to the public via the internet, so this is a way of allowing the world to benefit from what we all do at Yale.
它们会通过互联网向公众免费开放,这样全世界的人都能从耶鲁的课程中有所收获,我们要做的。
So they kept track of country-by-country, when cases of smallpox occurred, and as it was eliminated from regions of the country, they then certified those regions to be smallpox free.
它跟踪调查了一个又一个国家,记录天花在这个国家中何时发生,又是何时清除的,并确证这个区域已经没有天花
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