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来源:雅诚德英语网
An estimated 9 million children die each year from preventable and treatable causes.
每年估计有900万儿童死于可预防和可治疗的疾病。
An estimated 9 million children die each year from preventable and treatable causes.
每年估计有900万儿童死于可预防和可治疗的疾病。