HSK 7-9
矫正
jiǎozhèng动
to correct; to rectify (e.g. a physical defect such as hearing or vision); to cure; rectification
这副特殊眼镜帮助矫正视力。
Zhè fù tè shū yǎn jìng bāng zhù jiǎo zhèng shì lì.
These special glasses help correct vision.
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Appears across levels (7-9) in the HSK 3.0 word list.