building maintenance man
常见例句
- One evening, while working late, Fred was startled when the lights went out. He realized a maintenance man must have shut them off, unaware that anyone else was in the building.
一天晚上他工作到很晚，当灯息灭时，福瑞德很吃惊，他知道一定是维护人员不知道大楼里还有人就把灯关了。
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