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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The curtains were never drawn, even at night, so guests got a view of the lake and fountains outside which were lit up at night—a very attractive sight.

窗帘哪怕是在晚上也从不拉上，这样宾客们晚上就可以看到外面灯火通明的湖和喷泉——这是一幅非常迷人的景象。

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

NPR: McCain, Obama Drawn Out On Abortion, Marriage

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.

NEWYORKER: Betrayed

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

NPR: Robert Jordan, Hemingway's Bipartisan Hero