l 回顧與復習
real-world(現實世界的) robots(機器人)
when (conj. 在...的時候)you think of(想起) a robot,do you(有光澤的),metallic(金屬的) device(設備) having the same general(普通的,通常的) shape as a human being,performing humanlike functions,and responding to your questions in a monotone(單調的)voice accentuated(使更明顯)by high-pitched tones and beeps? this(想象) a robot,but in the real world a robot is(有人的特點的) at all.instead,a robot often is a voiceless ,box- shaped machine that efficiently carries out repetitive or dangerous functions usually performed by humans. today’ s robot is more than an automatic machine that performs one task again and again. a modern robot is programmed with varying degrees of artificial intelligence,that is,a robot contains a computer program that tells it how to perform tasks associated with human intelligence,such as reasoning,drawing conclusions,and learning from past. not humanoid is the way many of us imagine imagine a shiny