pollutionKK [pəˋluʃən] /pəˈluʃən/名詞1污染Air pollution in the city has worsened over the past decade.這座城市的空氣污染在過去十年間惡化了。2污染物、污染源Factories along the river discharge pollution directly into the water.河岸邊的工廠把污染物直接排入水中。3污染、干擾引申用法Light pollution makes it hard to see the stars at night.光污染使人在夜裡難以看見星星。4敗壞、玷污比喻He warned about the pollution of young minds by violent content.他警告暴力內容會敗壞年輕人的心靈。