防ぼう毒どく面めんぼうどくめんMeanings1noungas maskA mask that protects the wearer from inhaling toxic gases or airborne pollutants.消しょう防ぼう士しは防ぼう毒どく面めんを着つけて現げん場ばに向むかった。The firefighter put on a gas mask and headed to the scene.
