1N-UNCOUNT [oft theNOUN](飞机、汽车等的)残骸;(建筑物等的)废墟 When something such as a plane, car, or building has been destroyed, you can refer to what remains as wreckage or the wreckage . (飞机、汽车等的)残骸;(建筑物等的)废墟
Mark was dragged from the burning wreckage of his car. [+ of]
2N-SING [theNOUN, usually NOUNof n](计划等失败或遭到破坏后的)残余 If something such as a plan has failed or been spoilt completely, you can refer to what remains as the wreckage of it. (计划等失败或遭到破坏后的)残余
New states were born out of the wreckage of old colonial empires.