English Dictionary

firebreak

noun

An area cleared of all flammable material to prevent a fire from spreading across it. / (figuratively) Any separating barrier.

The firebreak prevented the spread of the wildfire.

意味（1）

An area cleared of all flammable material to prevent a fire from spreading across it.

The firefighters used a bulldozer to clear a firebreak in the forest to try to contain the forest fire.

意味（2）

(figuratively) Any separating barrier.

That policy could consist of a statement that the declaring nation would not be the first to use nuclear weapons. This would strengthen the firebreak between the use of conventional and nuclear weapons.