Submitted by admin on Sat, 05/17/2014 - 19:41
definition:
A loosely compacted yellowish-gray deposit of windblown sediment of which extensive deposits occur, e.g., in eastern China and the American Midwest.
sentence:
Many researchers have concluded this sediment is actually loess, or wind-blown silt, which is mixed with some clay and sand.
difficulty:
hard
toefl frequency:
1
toefl classification: