crackjawadj.发音困难的；反常的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 of a square pipe方管道爆裂crack Ownership structure上市公司crack hydraulic pressture渗透压力cracking reasons analysis开裂原因分析crack a difficult problem解难题cracking of ceramic shell裂壳crack tip node encryption裂纹尖端节点加密cracked skin around nails手足逆胪Crack stable growth stage裂纹稳定扩展阶段crack in asphalt pavement沥青路面裂缝