early childhood mortality
幼儿死亡率
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The U.S. replacement total fertility rate was higher than 2.1 children per woman in the 1800s and early 1900s due to childhood mortality.
WSJ: Corrections & Amplifications
She and her staff view the network as a powerful asset in creating awareness for important local issues, such as infant mortality, early childhood development, and parental involvement in education.
WHITEHOUSE: Helping to Provide a Healthy Start for Children
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