Most Greek city-states surrounded themselves with massive defensive walls for added protection.

大多数希腊城邦都用巨大的防御墙包围自己以增加保护。

Gandhi also advises the use of added protection for people who will be indoors in areas where infection rates are high.

甘地还建议那些高感染率地区的居家民众采取额外的保护措施。

So that probably helped serve as added protection for the easiest part of the animal for a predator to potentially get to.

所以那很可能是作为给掠食者可能最容易攻击的部位的额外保护。

He didn't do much more than annoy the thing, since its skin was so thick, and it had the added protection of Bulan's armour plates.

他除了惹恼它之外并没有做太多事情，因为它的皮肤太厚了，而且它还有布兰的装甲板的额外保护。

The decline in safe driving has a clear, adverse impact on pedestrians, who are more likely to find themselves in an accident but (unlike the drivers) don't have the benefit of added protection.

安全驾驶的下降对行人有明显、不利的影响，他们更有可能发现自己在事故中，但（不像司机）没有额外的保护的好处。