Rhodopsin, it turns out, is an important aid for night sight.

这种视网膜色素被证明有助于提高我们在夜间的视力。

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The high-intensity flashlight can be used for night sight and safety.

高强度手电筒可用于夜视仪和安全。

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Theday-and-night sight is a new take on an old piece of equipment thatmany Soldiers have found problematic in the past, said Miller.

白天和夜视仪是一种新的采取一种旧的设备，许多士兵已经发现的问题在过去，米勒说。

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In Southern California, a rare sight last night: Barack Obama and John McCain briefly together on the same stage.

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The night before, the sight of the building had triggered his fear of the sniper, and he had instinctively dropped to the floor of his room.

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They picket them here to feed at night and keep them out of sight in the timber in the daytime, he thought.

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