noun🔗Share围堰，沉箱。 A temporary watertight structure that is pumped dry to enclose an area underwater and allow construction work on a ship, bridge, or rig to be carried out; a caisson."Workers built a cofferdam around the bridge pier to keep the river water out while they repaired the concrete. "工人们在桥墩周围建造了一个围堰，以便在维修混凝土时阻挡河水。architecturenauticaltechnicalstructureindustryChat with AIVocabulary GamePractice Reading
noun🔗Share隔离舱, 围堰. An empty space that acts as a protective barrier between two floors or bulkheads on a ship."The shipbuilder explained that the cofferdam, a crucial safety feature, separated the engine room from the living quarters, preventing fire or flooding from spreading. "造船工程师解释说，这个隔离舱，一个至关重要的安全措施，将引擎室和生活区隔开，防止火灾或漏水蔓延。nauticalarchitecturetechnicalChat with AIVocabulary GamePractice Reading
