scorched-earth /ˈskoɚtʃtˈɚθ/ adjective Learner's definition of SCORCHED-EARTH
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used to describe a military policy in which all the houses, crops, factories, etc., in an area are destroyed so that an enemy cannot use them焦土政策(指毁掉某地区所有房屋、庄稼、工厂等不予敌人所用的军事政策)