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Sight problems for students in Asia
Vocabulary
emphasis
special importance
a heavy price
a high cost / a big loss
exposure
time spent being in contact with something
visual impairment
damaged sight
nap
short sleep
genetic
connected with genes (units in the cells of a living thing that control its physical characteristics)
a big role
a major cause
ethnic groups
people connected by different nationalities or race
myopia
short-sightedness
mandatory
compulsory
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