Submitted by admin on Thu, 04/24/2014 - 09:59
definition:
A small bubble on the skin filled with serum and caused by friction, burning, or other damage
sentence:
Closely monitor your feet before and after exercise for any signs of potential damage, such as blisters, which can lead to ulcers if left untreated.
difficulty:
hard
toefl frequency:
1
toefl classification: