慢速英语:Immigrants Keep U.S. Birth Rates from Dropping(翻译)

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childbearing - adj. the age in which women can give birth

actually - adv. used to refer to what is true or real

welfare - adj. a government program for poor or unemployed people that helps pay for their food, housing, medical costs

according – adv. as stated by or in

steady – adj. unchanged; direct or sure in movement