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pollution (n)/pəˈluː.ʃən//pəˈluː.ʃən/The presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.sự ô nhiễm  Air pollution is worst in big cities. Environmental activists advocate for policies to combat air pollution. The documentary highlighted the devastating effects of plastic pollution in oceans. Government agencies monitor pollution levels to protect public health. Efforts to reduce pollution include promoting sustainable practices. Từ vựng khác:permanently , multi-cultural , left , popstar , shade |