noun 다운로드 🔗공유 역화 Sudden, dangerous recombustion that occurs when there is a rapid reintroduction of oxygen to an enclosed space containing a fire. Examples : "Firefighters must be cautious when opening a closed room during a fire because backdrafts, sudden explosions of flames and hot gases, can occur. " 소방관들은 화재 중 닫힌 방을 열 때 역화, 즉 갑작스러운 화염과 뜨거운 가스의 폭발이 발생할 수 있으므로 주의해야 합니다. disaster energy physics environment phenomena science event AI와 채팅어휘 게임독해 연습
