英语语法分析

In response to declining math skills among their students, some Japanese schools are bringing back an ancient calculating device—the abacus.

为了应对学生数学能力的下降，日本的一些学校重新使用起一种古老的计算工具——算盘。

The abacus was perhaps the earliest type of computer.

算盘可能是最早的一种计算机。

Learn how to use an abacus.

学会用算盘。