crashv.撞击；坠毁；发出巨响；崩溃；破产；<俚>宿夜n.轰隆声；猛撞；崩溃；暴跌；垮台；粗布adj.速成的crash-divevi.急速地潜航crash manner破碎型式crash helmetn.防护帽crash safety撞击安全装置crash-testv.撞击实验crash-backn.全速倒车crash sensor碰撞传感器crashed sand机制砂crash switch碰撞开关crash tender机场救护车