Learner's definition of WRECKAGE
[noncount]
: the broken parts of a vehicle, building, etc., that has been badly damaged or destroyed（车辆等的）残骸；（建筑物等的）废墟 -
Workers sifted through the wreckage of the building, searching for bodies.工作人员在建筑物废墟中仔细搜寻尸体。
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They cleared the wreckage from the track.他们清理了赛道上的车辆残骸。