Though unseen by our vision dim.

我们模糊的视觉虽无所见。

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Not only were there no ill effects other than routine postsurgical soreness, the subjects said the vision in their treated eyes was slightly improved in dim lighting conditions.

除了常规的术后疼痛外，没有其它病症，受试者说，他们受过处理的眼睛视力在弱光条件下轻微改善。

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Bat vision is generally known to be sharpest in dim light, and to get worse the brighter it gets.

而视觉上，一般来说，蝙蝠的视力在昏暗的光线下是最敏锐的；光线越亮，它们的视力就变得越差。

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Bat vision is generally known to be sharpest in dim light, and to get worse the brighter it gets.

而视觉上，一般来说，蝙蝠的视力在昏暗的光线下是最敏锐的；光线越亮，它们的视力就变得越差。

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