noun🔗Share战列舰，主力舰. Large capital warship displacing tens of thousands of tons, heavily armoured and armed with big guns. Battleships are now obsolescent, replaced by smaller vessels with guided missiles. Types: dreadnought, pre-dreadnought."During World War II, many countries used battleships as powerful warships to defend their coastlines. "在第二次世界大战期间，许多国家都使用战列舰这种装备重炮、装甲厚重的大型主力军舰来保卫海岸线。nauticalmilitaryvehiclewarweaponhistoryoceansailingtechnologyChat with AIVocabulary GamePractice Reading
noun🔗Share对配置和集成测试无实际用途的火箭级: 模拟件，测试件。 Non-functional rocket stage, used for configuration and integration tests."Before using the actual rocket to launch the satellite, engineers practiced the assembly process using battleships, non-functional rocket stages designed solely for testing. "在用真火箭发射卫星之前，工程师们使用火箭级模拟件/测试件练习组装流程，这些模拟件/测试件是没有实际功能的火箭级，专门用于测试。technicalmilitarymachinespacetechnologyChat with AIVocabulary GamePractice Reading
noun🔗Share海战棋 A guessing game played on grid paper, see Battleship (game)"During our rainy day, we played battleships using just paper and pencils. "下雨天的时候，我们只用纸和笔玩了海战棋。gamenauticalmilitaryChat with AIVocabulary GamePractice Reading
