广播电视英语短句 第 117 课：特殊语言-2

Computer expert Douglas Engelbart developed the idea for the mouse in the early nineteen-sixties. 计算机专家 Douglas Engelbart 于 20 世纪 60 年代早期阐发了研发鼠标的思想。

The first computer mouse was a carved block of wood with two metal wheels. 第一个计算机鼠标是一块带有两个金属轮子的木雕。

It was called a mouse because it had a tail at one end. 之所以称之为鼠标，是因为它的一端有一条尾巴。

The tail was the wire that connected it to the computer. 这条尾巴是它与计算机相连的电线。

Using a computer takes some training. 计算机的使用需要一定的训练。