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a machine that can perform a complicated series of tasks by itself 机器人 These cars are built by robots. 这些汽车是由机器人制造的。 On her first flight she was responsible for operating the shuttle's robot arm. 在她的第一次飞行中，她负责操纵航天飞机的机械臂。
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(especially in stories) a machine that is made to look like a human and that can do some things that a human can do （尤指故事中的）机器人 a toy robot 玩具机器人 The action starts when an army of giant robots invades Manhattan. 行动开始于一群巨型机器人入侵曼哈顿。
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a traffic light 交通信号灯
Word Originfrom Czech, from robota ‘forced labour’. The term was coined in K. Čapek's play R.U.R. ‘ Rossum's Universal Robots’ (1920).