Submitted by admin on Thu, 10/01/2015 - 21:37
definition:
important; strongly made; of value
sentence:
The discovery of a vaccine for smallpox was a substantial medical achievement.
difficulty:
medium
toefl frequency:
2
toefl classification:
adverb:
substantially
adjective:
substantial
adverb sentence:
adjective sentence:
verb:
verb sentence:
noun:
noun sentence: