科学家们相信灼伤是因为臭氧层变薄，致使紫外线辐射等级增加而引起的。
Scientists believe the sunburns are due to increasing levels of ultraviolet radiation resulting from the thinning ozone layer.
这方面记录的几起严重事故有，1988年发生在巴西的事故(四人死亡，28人受到严重辐射灼伤)、1983年发生在墨西哥和摩洛哥的事故、1978年发生在阿尔及利亚的事故以及1962年发生在墨西哥的事故。
Serious accidents have been documented in Brazil in 1988 (where four people died and 28 had serious radiation burns), Mexico and Morocco in 1983, Algeria in 1978 and Mexico in 1962.
在3个月内，他们中的28人死于辐射照射，至少19人死于大面积皮肤灼伤所造成的感染。
Within three months, 28 of them died from radiation exposure.
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