A sunscreen with a protection factor of 30 allows you to stay in the sun without burning.
一种防护系数为30的防晒霜使你能够待在太阳底下而不被晒伤。
Often this simply enables a sunscreen with a sun protection factor (SPF) to dry clear and disappear into the skin rather than forming a white paste that takes all day to rub in.
通常这会增加防晒霜遮阳剂的防晒指数(SPF)，使防晒霜更易干，可以融入皮肤，而不是在皮肤上糊一层白，要一天时间才能吸收。
The National Institute for Health and Clinical Excellence (Nice) published guidance in January saying people should wear broad spectrum sunscreens with a minimum factor 15 sun protection (SPF).
英国国家健康与临床优化研究所在其一月份公布的健康指南中曾指出，人们应该涂抹防晒系数不小于15的广谱防晒霜。
She said that the use of sun creams and moisturisers with a sun protection factor also reduces UV absorption and so vitamin D production.
她说，使用含有防晒因子的防晒霜和保湿露也能减少紫外线的吸收和维生素D的合成。
The beach can be a great way to cool down in summer, but be careful not to get sun-burnt by using a sun cream with a sun Protection factor of at least 15 (SPF 15 +).
夏天去沙滩是很好的避暑方式，但要小心不要被太阳晒伤，使用防晒指数最少为15的防晒霜。
But what does the SPF rating really mean? SPF stands for Sun Protection Factor.
但是防晒指数等级到底指的是什么呢？SPF是防晒系数的意思。
Pick a sun protection factor adequate, comfortable and not too expensive to use sunscreen, it's very difficult task.
挑一支防晒系数足够、用起来舒服同时又不能太贵的防晒霜，真是太艰巨的任务。
The paper provides easy-to-understand daily life indexes such as the ultraviolet ray index, morning exercise index, sun protection factor index, carwash and heat stroke indexes.
该报纸提供了一些诸如紫外线指数、晨练指数、防晒指数、洗车指数以及中暑指数等简单易懂的每日生活指数提示。
The paper provides easy-to-understand daily life indexes such as the ultraviolet ray index, morning exercise index, sun protection factor index, carwash and heat stroke indexes.
该报纸提供了一些诸如紫外线指数、晨练指数、防晒指数、洗车指数以及中暑指数等简单易懂的每日生活指数提示。
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