| abacus | |
| 级别 | 第8级 |
| 音标 | [ ˈæbəkəs ] |
| 解释 | n.算盘 |
| 英英释义 | a square or rectangular frame holding an arrangement of small balls on metal rods or wires , which is used for counting , adding , and subtracting |
| 发音 |  |
| 例句 |
1. They also learned to use the abacus. 他们还学习珠算。 2. The abacus is the ancestor of the modern computer. 算盘是现代电脑的原型。 |
