/əˈklu:ʒn ||; əˈkluʒən/noun (
technical术语)
1 [U] the closing or blocking of a BLOOD VESSEL(= a narrow tube through which blood passes) or an organ of the body (血管或身体某器官的)闭塞,闭合
2 [C] a process by which, when a band of cold air meets and passes a band of warm air in the atmosphere, the warm air is pushed upwards off the earth's surface 锢囚(指大气层中冷空气经过热空气,把热空气推离地面)