Actually, these selection rules are not ironclad.实际上, 这些选择规则并不是严格的.That is an ironclad fact that is beyond controversy.这是铁的事实,无庸置辩.an ironclad contract不可动摇的契约The case for testing now is ironclad.正在接受检验的这一论据牢不可破。...ironcl...
That is an ironclad fact that is beyond controversy.这是铁的事实,无庸置辩.The case for testing now is ironclad.正在接受检验的这一论据牢不可破。Actually, these selection rules are not ironclad.实际上, 这些选择规则并不是严格的....