phototoxis

例句：

1. 1.The exposure to sunlight can cause phototoxic reactions in some people.
   某些人暴露在阳光下会引起光毒性反应。
2. 2.Phototoxicity is a condition that occurs when the skin is exposed to excessive amounts of UV light.
   光毒性是一种状况，当皮肤暴露于过量的紫外线时会发生。
3. 3.The study found that phototoxicity could be reduced by wearing sunscreen and avoiding direct sunlight.
   研究发现，通过佩戴防晒霜并避免直接日晒可以降低光毒性。