abacus造句
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.
operate an
abacus打算盘
use an
abacus打算盘
She can reckon rapidly on the
abacus.
她用算盘算得很快.
work an
abacus打算盘
The
abacus is the ancestor of the modern computer.
算盘是现代电脑的原型.