n.窃听器

Dictograph is an old term for a device that records sound, typically used in the context of police or business meetings.
The detective found the dictograph hidden under the table, providing evidence of the suspect's guilt.
The company used a dictograph to ensure that all employees were attending the meeting.
The museum had on display one of the first dictographs ever made, showcasing early 20th century technology.
The police confiscated the dictograph during their search of the crime scene.
In the 1920s, dictographs were often used by businesses to monitor employee conversations.
The historical society was interested in acquiring the dictograph for their collection.
The trial revealed that the dictograph had been tampered with, casting doubt on its accuracy.
The author wrote about the intrigue surrounding the use of dictographs in his spy novel.
The antique store had a dictograph for sale, priced at several thousand dollars.
The secret agent planted a dictograph in the enemy's headquarters to gather intelligence.
以上为dictograph的十个英文例句及其中文释义。Dictograph是一种古老的录音设备，通常用于警察或商务会议的语境中。在侦探发现隐藏在桌子下的dictograph，为嫌疑人的罪行提供了证据；公司使用dictograph确保所有员工都参加了会议；博物馆展出了最早的dictograph之一，展示了早期20世纪的技术；警方在犯罪现场搜查时没收了dictograph；在20世纪20年代，dictograph经常被企业用来监听员工的对话；历史学会对收购dictograph感兴趣；审判揭示dictograph被篡改，对其准确性产生了怀疑；作者在他的间谍小说中描述了dictograph使用的阴谋；古董店有一台dictograph出售，标价数千美元；特工在敌人的总部安装了dictograph以收集情报。