| 例句 |
The most commonly cited example of a primitive device is the abacus.说到早期的用具，最常举的例子是算盘。The abacus was the precursor of the modern electronic calculator.算盘是现代电子计算器的前身。The abacus is the ancestor of the modern computer.算盘是现代电脑的原型。The calculator is rapidly replacing the abacus.计算器正在迅速取算盘而代之。 |