abacus
US /ˈæb.ə.kəs/
UK /ˈæb.ə.kəs/
名词
算盘
a calculating instrument with beads that slide along rods or in grooves, used for performing arithmetic calculations
示例:
•
The child learned to add and subtract using an abacus.
孩子学会了用算盘进行加减法。
•
Ancient civilizations used the abacus for complex calculations.
古代文明使用算盘进行复杂的计算。
同义词: