America's birth rate fell to a record low last year.
美国去年的出生率降到了创纪录的最低点。
Charlie Chaplin's parents separated a year after his birth in 18. He lived with his mother and elder brother in a flat in London.
查理·卓别林在18年出生一年后父母分居,他与母亲和哥哥住在伦敦的一套公寓里。
Reed's research shows that though nothing can truly change our DNA, environmental differences that a child experiences before birth and in their first year can sometimes affect the way the DNA behaves, making even identical twins into very different people.
里德的研究表明,虽然没有什么能真正改变我们的 DNA,但孩子在出生前和出生后第一年所经历的环境差异有时能够影响 DNA 的表现方式,甚至使同卵双胞胎变成两个很不同的人。
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