expulsionKK [ɪkˋspʌlʃən] /ɪkˈspʌlʃən/發音名詞1開除、退學He faced expulsion from school after the fight in the hallway.走廊上的那場打架讓他面臨被學校開除的處分。2驅逐、逐出The government ordered the expulsion of two foreign diplomats.政府下令驅逐兩名外國外交官。3排出、噴出正式The valve controls the expulsion of hot gas from the engine.這個閥門控制引擎排出熱氣的過程。