noun🔗Share阻燃剂，缓凝剂 (often in combination) Something that serves to retard (slow down) the action of something"The firefighter sprayed a chemical retardant on the dry grass to slow the spread of the wildfire. "消防员在干燥的草地上喷洒了一种化学阻燃剂，以减缓野火的蔓延。materialsubstancechemistryscienceChat with AIVocabulary GamePractice Reading
adjective🔗Share阻燃的，延迟的 (often in combination) Serving to retard (slow down) the action of something"The fire was spreading quickly, but the retardant spray helped slow it down. "火势蔓延得很快，但喷洒的阻燃剂有效地减缓了它的速度。materialsubstancechemistryphysicssciencetechnicalChat with AIVocabulary GamePractice Reading
