sunburn is still possible in the winter because the snow reflects the sun「s rays.
冬天里仍然可能会有晒伤,因为雪会反射太阳辐射。
pheomelanin, the type of melanin that makes red and blonde hair and fair skin, actually increases the risk for sun damage, such as sunburn and skin cancer.
红发或者金发、白色皮肤的人体内含有一种特殊的黑色素——褐黑素,它会增加被阳光损伤的风险,比如晒伤和皮肤癌。
the increase in sunburn appears to be worst for blue whales, the study found.
研究发现,被晒伤的鲸鱼越来越多,而蓝鲸在这方面情况似乎是最糟的。
the researchers are unsure whether the lesions are painful - and whether sunburn increases the risk of skin cancer in whales.
研究人员不确定这些水疱是否会疼痛,也不确定晒伤是否会增加鲸鱼患皮肤癌的风险。
the variation from pink to brown not only helps to prevent sunburn but also allows appropriate amounts of sunlight to penetrate the skin to create the vitamin d3 from its inactive precursors.
从粉色到棕色的变化不仅帮助防止了晒伤,而且还让合适数量的阳光穿透皮肤从而把未激活的前体变成维生素d3。
like a sunburn on your skin, the reddening of an asteroid is only skin deep, with fresher material lurking just beneath the sun-drenched surface of the space rock, he added.
跟我们的皮肤被晒红相似,小行星被晒红的部分也只是表面,在被阳光照射的表面之下是更为新鲜的部分,宾采尔补充说。
uvb radiation are the rays that cause sunburn and contribute to skin cancer, while uva rays absorb deeply into the skin and cause wrinkles and premature aging.
uv-b射线是导致皮肤晒伤和皮肤癌的有害射线,而uv-a则会进入譬如深层,导致皱纹和过早的衰老。
fair-skinned people suffer more from sunburn and have a higher risk of skin cancer than dark-skinned people.
皮肤白皙的人比皮肤黑色的人更容易晒伤,罹患皮肤癌的风险也更高。
it can help ease sunburn pain, itching, and inflammation.
它能有助于缓解晒伤的灼痛感、痒和发炎。
manufacturers calculate spf based on how long it takes to sunburn skin that」s been treated with the sunscreen as compared with skin that hasn「t been treated with sunscreen.
生产商计算该系数是基于在涂抹了防晒霜和没抹防晒霜的这两种情况下,对皮肤晒红的时间进行的对比。
we searched fruitlessly for thirty minutes until i had a third-degree sunburn on my bald spot.
我们搜索了三十多分钟,直到我的秃顶被日头晒的三度灼伤,也没有看到鞋的影子。
brissenden」s face and long, slender hands were browned by the sun - excessively browned, martin thought. this sunburn bothered martin.
布里森登的脸和细长的双手都叫太阳晒黑了——太黑了,马丁想,黑得叫马丁纳闷。
and a group of french researchers found that oral doses of selenium, along with copper, vitamin e and vitamin a could prevent sunburn cell formation in human skin.
一组法国的研究者发现,口服一定剂量的硒元素、铜元素、维他命e和a能够阻止皮肤中晒伤细胞的形成。
one reason for the rise in sunburn could be the hole in the ozone layer - the protective layer that shields the earth from the sun's harmful ultraviolet rays.
晒伤增多的一个原因可能是臭氧层空洞,而臭氧层是保护地球不受太阳紫外线危害的保护层。
scientists in britain are suggesting that a tomato product may help fight sunburn and wrinkles.
英国科学家们提出西红柿产品有助于对抗晒斑与皱纹。
the brown sunburn of his face surprised him.
他那张被太阳晒黑的脸令他吃惊。