a shield-like shell that protects their soft insides. 这是一种保护其柔软内部的盾状外壳
And protects the soil from erosion. 并保护泥土免于流失
The Night's Watch protects the realm from... 守夜人是保护领土不受 ...
He protects the chicks that have emerged... 雄鸵鸟用身体挡住太阳