Submitted by admin on Sat, 05/17/2014 - 21:03
definition:
The fact or condition of being prevalent; commonness:
sentence:
Ireland currently has the highest prevalence of asthma in Europe and it is still on the increase.
Average HIV prevalences in the adult population of most sub-Saharan African countries are 25 percent.
difficulty:
medium
toefl frequency:
2
toefl classification: