我们有铁证如山的证据证明他的清白。
We have ___ironclad proof of his innocence.
这些铁甲舰在19世纪末的海战中展现了强大的防御能力。
These ___ironclads demonstrated formidable defensive capabilities in late 19th-century naval battles.
他们签订了一份牢不可破的合同。
They signed an ___ironclad contract that cannot be broken.
浙公网安备33010902004675号