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...
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....
Vigorous youth is subjected to rigorous discipline.活泼的年轻人须受到严格的纪律约束。The Youth Training Scheme was operative by the end of 1983.青年培训计划一直持续到1983年底。The scene awakens reminiscences of my youth.这景象唤起我年轻时的往事.Youth changes divi...