We put a tarpaulin across the window to block out the sun - light.

我们将油布横挂在窗子上遮住阳光。

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The impact sent up a plume of dust and debris large enough to block out the sun for years resulting in cold dark conditions that ultimately drove the dinosaurs to extinction.

这次撞击激起了覆盖 全球 的足以遮挡阳光 的灰尘与碎片，导致了寒冷黑暗 的 环境并将恐龙推向了绝灭。

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Ifyou're just come out of the sun and think you may have overdone it, you can take aspirin or ibuprofen, as these are drugs that block the formation of the chemicals that cause redness and swelling.

如果你过度的暴晒在阳光下，可以吃阿司匹林和布洛芬，这些是可以缓解皮肤红肿的药物。

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It's the vitamin associated with the sun that we absorb through our skin, and increasingly block out when we use sunblock, to avoid getting skin cancer.

VOA: standard.2010.05.28

The ravine has 400m-high walls of sheer limestone, which block out the sun and silence the world outside.

BBC: On the trail in Sardinia

This is the full-on, block-out-the-sun, Cormac-McCarthy business.

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The result is a material that is not only waterproof but is able to block out UV radiation from the sun to such an extent that it would rate a Ultraviolet Protection Factor (UPF) of 101.15 if the chart went that high.

FORBES: Chinese Researchers Develop Waterproof Cotton