柯林斯词典dumbwaiter /ˈdʌmˌweɪtə/ (also dumb waiter) (dumbwaiters) 1. N-COUNT A dumbwaiter is an lift used to carry food and dishes from one floor of a building to another. (楼层间运送食物和餐具的)升降机 返回 dumb waiter剑桥词典a small lift (= device used to move things from one level of a building to another) used especially in restaurants to bring food from the kitchen （尤指饭店中将食物从厨房送到不同楼层的）升降架 返回 dumb waiter