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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 slate?
你能将这些饮料记账吗?
I've no change, could you put these eggs on the slate?
我没零钱，能把这些蛋钱记在帐上吗?