on the slate slate n. 板岩，石板;(旧时学生用以写字的)石板;(置于摄影机前的)(识别一次电影拍摄镜头细节起讫的)开拍板 (of the price of food or drink that a regular customer buys) recorded so that they can pay for it at another time 记账，赊账 Could you put these drinks on the slat