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1.The scientist discovered that the eye-cells in the retina are responsible for color vision.
科学家发现视网膜中的眼细胞负责色彩视觉。
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2. The researcher found that the eye-cells in the retina are sensitive to light and can transmit signals to the brain.
研究者发现视网膜中的眼细胞对光线敏感，并能将信号传递给大脑。
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3. The doctor explained that the eye-cells in the retina play a crucial role in maintaining ourvisual system.
医生解释说视网膜中的眼细胞在维持我们的视觉系统中起着至关重要的作用。