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The trees form a natural protection from the sun's rays.
树木起天然的保护作用，遮挡了阳光的照射。
《牛津词典》
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Exposure to UVB rays found in natural and artificial sunlight.
来自自然和人造阳光中的UV B射线照射。
youdao
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It let in natural light and sent in rays of sunshine.
采光全部是自然光和阳光。
youdao
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It let in natural light and sent in rays of sunshine.
采光全部是自然光和阳光。
youdao