pho.to.ag.ing

n.（名詞）
The process by which skin is changed or damaged as a result of exposure to ultraviolet radiation in sunlight and other sources.
日照老化，光致老化：皮膚因?yàn)楸┞对谔?yáng)或其它光源的紫外線輻射下而受到改變或損害的過(guò)程
The long-term effects of this process on the skin, as wrinkles, discoloration, or susceptibility to cancer.
光致老化現(xiàn)象：光致老化過(guò)程對(duì)皮膚所造成的長(zhǎng)期影響，像是皺紋、變色或是罹患癌癥