ironclad GRE

That is an ironclad fact that is beyond controversy.

这是铁的事实，无置辩。

Although forces of great magic created ironclad maulers,they are now found in wild regions,having escaped or outlived their creators.

尽管暴（泰迪）熊是由强大的魔法所创造，然而逃离了主人或是比主人长命的泰迪熊们如今常常在区出没。