基本解释光老化同根派生 英汉例句Photoaging, which is induced by long-term ultraviolet radiation, not only causes appearance trouble but also increases the risk for skin tumors.长期紫外线辐射形成的光老化不仅有碍容颜，也存在发生皮肤肿瘤的风险，有必要采取相应治疗。