| 释义 |
cast-ironBrE /ˌkɑːst ˈaɪən/NAmE /ˌkæst ˈaɪərn/ adjectivemade of cast iron 铸铁制的◆a cast-iron bridge 铸铁桥(BrE) very strong or certain; that cannot be broken or fail 有力的；确实的；坚定不移的◆a cast-iron guarantee/promise 永不反悔的保证；铁誓◆a cast-iron excuse/alibi 有说服力的辩解；不在犯罪现场的确凿证据 ➡ compare ironclad |