出生率

Birth rates are notoriously difficult to predict.

众所，生率是很难预测。

The birthrate in the city has been decreasing.

该市生率一直持续下降。

2Mean values of leaf natality(A)and leaf mortality(B).

图2叶生率(A)和死亡率(B)平均值 Fig.

The birthrate is on the decline.

生率在下降。

The birthrate is on the decrease.

人口生率正在下降。

The birthrate is down this year.

年生率下降。

Increasingly, worried European governments are crafting natalist policies to nudge couples to have more children, from offering better child care to monthly stipends keyed to family size.

逐渐，烦脑欧洲政府正编织生率政策以推动夫妻有更多小孩，从提供更好孩童照顾到针对户月津贴。