Underneath is a layer of supporting cells called the retinal pigmented epithelium, or RPE, which nourish the photoreceptors and clean up their waste.
接着下面是起支持作用的细胞层，叫做视网膜色素上皮(RPE)，它给感光层供给营养并清理其废料。
A final layer of dry plant material shall be added to the waste/compost to protect it from direct rainwater contact while it decomposes.
同时要把干燥的植物覆盖在粪便或堆肥物的表层，这样可以避免分解过程中的猪粪与雨水接触。
Waste gases such as carbon dioxide, methane and the same CFCs that wreck the ozone layer all tend to trap sunlight and warm the earth.
各种废气，像二氧化碳、甲烷以及破坏臭氧层的氟利昂制冷剂，都可能捕捉阳光，提高地球上的温度。
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