... American Dreamer美国梦想家 The Dearth ofBirths走低的出生率 About Human Obesity肥胖成因新解 ...
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但是由于出生率逐年走低，这种增长趋势将会在接下来的10年或20年内出现扭转。
Due to a very low birthrate, however, this trend will reverse within a decade or two.
尽管国内怀孕率持续走低，美国依旧是发达国家中出生率最高的国家之一。
Even with declining pregnancy rates, the United States still has one of the highest overall birth rates among industrialized countries.
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