名词
中文翻译：视力图表
同义词：
['vision chart', 'eye chart', 'visual chart']
例句：
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1. The teacher usedan eye chart to help the students with their reading comprehension.
老师使用一张视力图表来帮助学生提高阅读理解能力。
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2. The doctor drew a heart-shaped eye chart for the patient to follow.
医生为病人画了一张心形的视力图表，以便患者跟随。
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3.The nurse prepared an eye chart for the exam and distributed it to all the students.
护士为考试准备了一张视力图表，并分发给所有学生。