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harmful (adj)/ˈhɑːrm.fəl//ˈhɑːm.fəl/causing harm or damagegây tai hại, có hại  There are many harmful effects of smoking. Smoking is known to be harmful to health. Some chemicals in cleaning products can be harmful. Teaching children about harmful substances is crucial. Protecting wildlife from harmful pollutants is a priority. Từ vựng khác:insulated , age , double-glazed , aerosol can , industrial waste |