n.算盘，<建>（圆柱）顶板
They also learned to use the abacus.
他们还学习珠算.
Except for the sharp clicking of Chueh - hsin's abacus counters, all was still.
房里只有算盘珠子的接连的 、 清脆的响声.
The abacus is the ancestor of the modern computer.
算盘是现代电脑的原型.
汉字吧hanzi8.com