| 1. | Only a few uv - filters are capable of blocking uv - a , the wavelengths that penetrate deeply into the skin
只有很少的防晒成分能挡住一种波长能深深穿透皮肤的紫外线。 |
| 2. | This means using a sunscreen with a high sun protection factor and applying it uniformly on the skin
这是指使用含高效防晒成分的防晒产品，并且把它均匀地涂在皮肤上。 |
| 3. | This mea using a su creen with a high sun protection factor and a lying it uniformly （ 9 ） on the skin
这是指使用含高效防晒成分的防晒产品，并且把它均匀地涂在皮肤上。 |
| 4. | This means using a sunscreen with a high sun protection factor and applying it uniformly 9 on the skin
这是指使用含高效防晒成分的防晒产品，并且把它均匀地涂在皮肤上。 |
| 5. | This means using a sunscreen with a high sun protection factor and applying it uniformly ( 9 ) on the skin
这是指使用含高效防晒成分的防晒产品，并且把它均匀地涂在皮肤上。 |
| 6. | Hanson ' s research team found that three uv filters widely used in sunscreens generate ros when skin is exposed to uv radiation . only a few uv - filters are capable of blocking uv - a the wavelengths 17 that penetrate deeply into the skin
汉森的研究小组发现当皮肤处在紫外线辐射之下，三种广泛用于防晒产品中的紫外线过滤成分也会生成活性氧簇ros .只有很少的防晒成分能挡住uv a ，一种波长能深深穿透皮肤的紫外线。 |
| 7. | " for now , the best advice is to use sunscreens and reapply them often the skin cancer foundation recommends every two hours , and especially after sweating or swimming , which can wash away sunscreen to reduce the amount of uv radiation from getting through to filters that have penetrated the skin , " said christopher bardeen , an assistant professor of chemistry at ucr
“目前，最好的建议是使用并经常反复涂抹防晒产品皮肤癌基金会建议每两小时搽一回，尤其是在出汗或游泳之后，那样会使防晒霜流失以便减少渗入到皮下的防晒成分所吸收的紫外线辐射量。 ”加州大学河滨分校助理化学教授克里斯托福 |
| 8. | " for now the best advice is to use sunscreens and reapply them often the skin cancer foundation recommends every two hours and especially after sweating or swimming which can wash away sunscreen to reduce the amount of uv radiation from getting through to filters that have penetrated the skin " said christopher bardeen an assistant professor of chemistry at ucr
“目前，最好的建议是使用并经常反复涂抹防晒产品皮肤癌基金会建议每两小时搽一回，尤其是在出汗或游泳之后，那样会使防晒霜流失以便减少渗入到皮下的防晒成分所吸收的紫外线辐射量。 ” |
