电脑鼠标，为什么叫“鼠标”？

You move it to work on the computer. 你移动它，来操作电脑。 It is called a ”mouse” in English. 它在英文里就叫mouse，老鼠。 The first one was made of wood. 最早的鼠标，是木头做的。 It had a long wire coming out of the back. 后面还拖着一根长长的线。 The inventor thought it looked like a mouse. 发明者一看，觉得它像一只小老鼠。 The wire looked like the mouse's tail. 那根线，就像老鼠的尾巴。 Today many mice have no wires at all. 现在的鼠标，很多已经没有线了。