firebreak

名词 firebreak:

1. a narrow field that has been cleared to check the spread of a prairie fire or forest fire
   同义词：fireguard

fire.break

n.（名词）
A strip of cleared or plowed land used to stop the spread of a fire.Also called fireguard
防火障：为阻止火势蔓延而清除出或挖出的地带也作 fireguard