1、We 've replaced the old adding machine with a computer.
我們用電腦取代了老式的加法計算器。

2、In the seventeenth century an adding machine was invented.
十七世紀時，加法機被發(fā)明了。

3、We've replaced the old adding machine with a computer.
我們用電腦取代了老式的加法計算器。

adding machine翻譯