Because a new study shows that fluoride forms a thinner protective shield than experts thought it did.

这么说是因为一项新研究表明氟化物形成的保护膜比专家们料想的还有薄。

youdao

Divine Shield is just a very powerful spell, so game-changing that we thought it needed a counter.

神圣之盾是个非常强大的法术，所以在游戏变化时，我们认为他需要一个克星。

youdao

Organizers of an Australian night surfing competition used an electronic shield for the first time to protect surfers from sharks, which might otherwise have thought competitors were an easy meal.

在澳大利亚黄金海岸11月20日晚举行的2005年全球青少年夜间冲浪比赛中，主办方首次在比赛海域内铺设了电防护网，以保护参赛者免遭鲨鱼的袭击。

youdao

Shirkey says the reason he always thought there would never be a shield law for journalists is that the definition is not so clear thanks to the Internet.

FORBES: WikiLeaks: Why It Matters...Or Maybe It Doesn't