The WHO says malnutrition is one reason for more than a third of all deaths of children under the age of five.

世卫组织称营养不良是导致超过三分之一的五岁以下死亡儿童的死因。

The police are investigating the mysterious deaths of children at the hospital.

【mysterious】警察正在调查医院里儿童神秘死亡的原因。

Well, these are the number of deaths of children under the age of five, and it shows the incredible decline in childhood deaths from 1990,11 million children dying, to today, that number's down to five million children dying a year.

这些是五岁以下儿童的死亡人数。从1990年，1100万儿童死亡，到今天，这个数字下降到每年500万儿童死亡。