2025-11-17 21:20:07 浏览次

dumbwaiter是什么意思 英[dʌm'weɪtər] 美[dʌm'weɪtər] <美>（楼上下之间）送饭菜的小升降机; 送菜升降机n. a small elevator used to convey food (or other goods) from one floor of a building to anotherd...