Step on a crack; break your mother's back“脚把裂缝踩,妈妈背折断”这句古谚语什么意思?

Step on a crack; break your mother's back“脚把裂缝踩,妈妈背折断”这句古谚语什么意思? crack a Are you on crack 英语翻译walke beneath a ladder ,wear a stitch of black,break a single mirror,step upon a crack Abaqus计算crack时step必须要设置成GEOMETRICALLY NON-LINEAR?计算时出错,错误信息：THE STATIONARY CRACK IS NOT YET SUPPORTED IN A GEOMETRICALLY NON-LINEAR *STATIC STEP. a gram of crack中的crack是什么意思 crack-a-lackin是什么意思 crack-a-lacking是什么意思? have a crack crack Crack a EMINEM里的! Step on time time step on step on toes to close a deal是什么意思? Step on the beat step on的翻译 翻译 a sharp crack of a twig There is a crack in everything 火星文修饰下crack a bottle