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。
