fertility natality
英
美
- 出生率
双语例句
- They are the only possible means of dealing with excessive fertility.
它们是解决人口出生率过高这一问题的唯一手段。 - But whatever the cause, it seems to mean fertility rates can overshoot downwards.
然而不管原因是什么，看起来都表示人口出生率下降过头了。
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