VOA慢速英语:刚果民主共和国使用疫苗防治麻疹

blister - n. area of the skin covered by a bubble of liquid

outbreak - n. the sudden appearance of disease

priority - n. the thing that is most important

trend - n. the direction something is going or hanging to

motorbike - n. a two-wheeled motorized vehicle

pave - v. to cover dirt with a solid material

deafness - n. to be unable to hear

cough - n. releasing irritation in the throat

sneeze - n. expelling air from the nose