Citrus also contains bioflavonoids, which protect skin from UV rays and help prevent cell death.
柑橘类水果还含有生物黄酮素，能够保护皮肤不受紫外线的伤害，并防止细胞坏死。
2
Cell phone photons cannot add up to become UV photons or have their effect any more than microwave or radio-wave photons can.
手机辐射的光子聚集起来并不能成为紫外线，也不能具备与微波或无线电波的威力。
3
Fruit and vegetables are rich in carotenoids, which are known to protect against cell damage from pollution and UV rays, and can also prevent age-related diseases including heart disease and cancer.