我们用电脑取代了老式的加法计算器。

We 've replaced the old adding machine with a computer.

youdao

我们用电脑取代了老式的加法计算器。

We've replaced the old adding machine with a computer.

youdao

我不能心算一长串数字的加法，那是计算器做的事情。

That's what jacks are for. I can't add long columns of figures in my head.

youdao

我不能心算一长串数字的加法，那是计算器做的事情。

That's what jacks are for. I can't add long columns of figures in my head.

youdao