lowest-low fertility

• 超低生育率

lowest-low fertility的用法和样例：

例句

1. We will continue to maintain a low birth rate, promote reproductive health and encourage pre-marriage physical checks, so as to improve newborn health.
   稳定低生育率水平，进一步做好优生优育工作，大力提倡婚前体检，提高出生人口素质。