A 10-month-old boy weighing 4.1 kg is weighed at a health centre in Monrovia. More than half of African children who die before the age of five are malnourished, a top African Health Organisation official said at a west African regional meeting on nutrition.(AFP/File/Georges Gobet)

词汇：

weigh vt.称……重量

Monrovia 蒙罗维亚（利比里亚首都）

malnourished adj.营养失调的，营养不良的

nutrition n.营养，营养学