1. a browning of the skin resulting from exposure to the rays of the sun

2. redness of the skin caused by exposure to the rays of the sun

1. get a sunburn by overexposure to the sun

1.晒伤;(因过度晒太阳而引起的)皮肤灼伤
If someone hassunburn, their skin is bright pink and sore because they have spent too much time in hot sunshine.

e.g. The risk and severity ofsunburn depend on the body's natural skin colour...
晒伤的风险和严重程度取决于人体的自然肤色。
e.g. I was concerned that I was not protected and would get asunburn.
我很担心我未作任何防护可能会被晒伤。

1. sunburn

1. 晒伤：日光性皮炎(Solar Dermatitis)又称晒斑或晒伤(sunburn). 是由于日光的中波紫外线过度照射后,引起人体局部皮肤发生的光毒反应. 其反应的程度与光线强度、照射时间和范围以及肤色的深浅和体质差异有关. 经常参加户外锻炼,使皮肤产生黑色素,

2. 日晒伤：日晒伤(sunburn)又称晒斑,是强烈日光照射后引起的局部急性红斑,水肿性皮肤炎症. 是由日光中的中波紫外线照射过度引起的急性炎症反应. 中波紫外线作用表浅,仅限于表皮,强烈照晒造成表皮角朊细胞坏死,释放的介质导致真皮血管扩张,

3. 晒红：包装上的SPF号码只代表对UVB的抵抗系数,只告诉你搽了以后可以在阳光下有多久方会晒黑和晒红(sunburn). 并没有告诉你有没有挡住UVA. 因此你必须看清楚成份里面有无含有物理防晒剂,Zinc Oxide,Titanium Dioxide或化学防晒剂Oxybenzone或Avobenzone(Parsol 1789).