名词
中文翻译：Unknown
同义词：
['seasonal end', 'seasonal decline', 'seasonal decline in fertility例句：1. The decline in fertility rates is a concern for many couples trying to conceive.（生育率下降是许多尝试怀孕夫妇的担忧。）']
例句：
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1. The decline in fertility rates is a concern for many couples trying to conceive.
生育率下降是许多尝试怀孕夫妇的担忧。
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2.Seasonal decline in fertility can be attributed to changes in weather patterns and temperature.
季节性生育力下降可以归因于天气模式和温度的变化。
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3. The decline in fertility rates has been linked to increased use of contraceptives.
生育力下降与使用避孕措施的增加有关。