crackupn.撞坏(碰撞；失去控制；崩溃)crackv.破裂；砸开；发出爆裂声；撞击；破解；变嘶哑；崩溃；制裁；<非正式>开玩笑n.裂缝；裂痕；爆裂声；猛击；尝试；俏皮话adj.训练有素的cracking-strength抗裂度cracking core model[化] 裂核模型crack a bottle with与Cracking technology涨断工艺cracking prevention裂缝防治cracked ice crackle冰裂纹cracking monitoring裂缝监测cracking simulation开裂模拟crack in fault site裂缝cracked-pot sound破壶音