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.She can reckon rapidly on the abacus.她用算盘算得很快....

abacus的音标：abacus的英式发音音标为：['æbəkəs]abacus的美式发音音标为：['æbəkəs]...

abacus的复数形式为：abacuses...

Abacuses are so fast and accurate that people still use them today.算盘如此快和准确以致于现在人们仍在使用它....

abacus的音标：abacus的英式发音音标为：['æbəkəs]abacus的美式发音音标为：['æbəkəs]...

n.算盘，（圆柱）顶板...

n.算盘( abacus的名词复数 )，（圆柱）顶板...

abacus的复数形式为：abacuses...

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.She can reckon rapidly on the abacus.她用算盘算得很快....

n.算盘，（圆柱）顶板...

abacuses的音标：abacuses的英式发音音标为：['æbəkəsɪz]abacuses的美式发音音标为：[]...

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 abacu...