In English we call it an abacus.
在英语里我们叫它为一个算盘。
He can work an abacus very well.
他算盘打得很好。
学会用算盘。
Tom bought an abacus for his brother.
汤姆买了一个算盘给他弟弟。
So am I. Using an abacus is still a basic accounting.
我也一样，打算盘仍然是会计的基本技能。
But, in fact, an abacus is an adding machine, calculator, and computer.
可是，实际上，算盘是一个加法机，计算器和计算机。
Why is the abacus such an effective teaching device?
为什么算盘有效地帮助了教学？
Why is the abacus such an effective teaching device?
为什么算盘有效地帮助了教学？
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