谢林展示了你可以从许多美国人身上看到的不可阻挡的友善之情---尽管自己没什么空闲时间，但她还自愿参加每周六举行的流浪宠物慈善活动。
Shareen exhibits that knockdown goodwill that you find in many Americans – in spite of having little time on her hands, she volunteers on Saturdays for the Lost Pets charity.
加州大学河滨分校的科学家已经发现防晒霜中能阻挡紫外线辐射的分子时间一长就会渗透到皮肤里，使体表更容易受紫外线攻击。
Scientists at the University of California at Riverside have found that molecules(6) that block UV radiation in sunscreen can, over time, penetrate(7) into the skin, leaving the outer body vulnerable.
这些额外需要付出的努力有时间就足以阻挡我提交一个补丁包了，这对项目本身也不是个好事。
That extra friction is sometimes enough to prevent me from submitting a fix, and that's not good for the project.
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