例句
In English we call it an abacus.
在英语里我们叫它为一个算盘。
I could write on paper and use abacus for statistic.
我可以用纸笔写作，要算统计时就打算盘。
In response to declining math skills among their students, some Japanese schools are bringing back an ancient calculating device - the abacus.
为了改善学生日渐衰退的计算能力，日本的一些学校重新使用起一个古老的计算工具-算盘。