1. The ozone layer shields the earth from the sun's ultraviolet rays. 臭氧层保护地球不受太阳紫外线的辐射。
2. Their shields are made of wicker and they don't have that kind of metal body armor and all that stuff. 他们的盾牌是用柳条做的，他们没有那种金属防弹衣之类的东西。
3. They are called shield volcanoes, because viewed from above, they kind of resemble shields, like a warrior's shield. 它们被称为盾形火山，因为从上方俯瞰，它们有点像盾，就像战士所持的那种盾。
4. No federal law shields "transaction and experience" information—mainly the details of your bank and credit-card accounts. 没有联邦法律保护“交易和体验”信息——主要是你的银行和信用卡账户的详细信息。
5. Still others argue that volcanic dust injected into the atmosphere shields Earth from the Sun's rays and initiates an ice age. 还有人认为，注入大气的火山灰保护地球免受太阳辐射，并开启了一段冰河时代。
