名词
中文翻译：眼睛追踪器
同义词：
['eye-tracking device', 'eye-tracking system']
例句：
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1. The eye tracker showed that the person was looking at the screen.
眼动追踪器显示那个人正在看屏幕。
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2. The researchers used an eye tracker to study how people process information.
研究人员使用眼动追踪器研究人们如何处理信息。
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3. The eye tracker helped doctors diagnose eye diseases more accurately.
眼动追踪器帮助医生更准确地诊断眼部疾病。