definition
Awarenes;s of something through the senses;The ability to see, hear, or become aware of something through the senses
sentence
Part of the explanation is psychological: Pain perception is made much worse by worry, fear or the expectation of pain, he notes.
Sharpen visual perception and increase ability to estimate accurately.
Sharpen visual perception and increase ability to estimate accurately.
difficulty
medium
toefl frequency
2
toefl classification