language
GMAT TOEIC IELTS TOEFL

TOEFL® Vocabulary Practice

Find out how TOEFL Tutor can help you achieve your target score

definition: 
The way in which two or more things have an effect on each other
sentence: 
Only track three has no vocals, and the track is beautiful in its interplay of fragile melody, organ washes, guitar and bass.
difficulty: 
medium
toefl frequency: 
1
toefl classification: