1、Children in some Asian countries still learn to use an abacus to do simple calculations.
在一些亞洲國(guó)家的孩子們?nèi)匀粚W(xué)習(xí)使用算盤進(jìn)行簡(jiǎn)單的計(jì)算。
2、The abacus was widely used in ancient times as a tool for counting and doing arithmetic.
算盤在古代被廣泛用作計(jì)算和算術(shù)的工具。