So we know that moving to the USA is sufficient to cause a dramatic change in your microbiome, probably not for the better. 因此我们得出结论，移居到美国生活后，会造成体内微生物群发生巨大改变，很可能不是在变好。 Are these microbes actually caus

When I was a naughty boy, may be because of the influence of the film."Xiao Bing Zhang Ga",my dream was to be a soldier just like Zhang Ga. I thought if I was a soldier, I should be able to

My fellow citizens, no people on earth have more cause to be thankful than ours, and this is said reverently, 同胞们,荣耀属于那些真正身处人生竞技场上人!世界上没有哪一个民族比我们更有理由感到欣慰了，这样说是谦恭的， in no spirit of boastfulness in our

PRESIDENT OBAMA: Good morning, everybody. It is my privilege to welcome you to Washington and to formally convene our fourth Nuclear Security Summit. I convened our first summit – six years ago, in th

We must make sure that our Coast Guard members serving on the front lines are given the resources they need 我们必须确保我们在前线的海岸警卫队队员，能够得到他们需要的资源， to defend America and our vital interests in our own hemisp