About 90 percent of such cancers are caused by ultraviolet light from the sun.
About 90 percent of such cancers are caused by ultraviolet light from the sun.
而90％的这种癌症是由于长时间暴露在太阳紫外线下造成的。
About 90 percent of such cancers are caused by ultraviolet light from the sun.
而90％的这种癌症是由于长时间暴露在太阳紫外线下造成的。