noun 下载 🔗分享 电梯井,升降机井。 The vertical shaft in a building used to permit the movement of a lift (elevator) from floor to floor. Examples : "The liftshaft in the apartment building was undergoing maintenance, causing delays in the elevator service. " 公寓楼的电梯井正在维修,导致电梯服务延误。 architecture building property structure 与AI对话词汇游戏阅读练习