Definition: the ability to see Level: B2
她的视力多年来一直在恶化。
Her ___eyesight has deteriorated over the years.
由于视力差，他需要戴眼镜。
Due to poor ___eyesight, he needs to wear glasses.
定期检查对保持良好的视力很重要。
Regular check-ups are important for maintaining good ___eyesight.
