At times, water pollutants or excess ultraviolet radiation may act alone to cause specific problems, such as disfigured bodies and eye or skin abnormalities.
At times, water pollutants or excess ultraviolet radiation may act alone to cause specific problems, such as disfigured bodies and eye or skin abnormalities.
有时，水污染物质或过量的紫外线可能各自造成特定的问题，如身体变形与眼睛或皮肤的病变。