abacus
US /ˈæb.ə.kəs/
UK /ˈæb.ə.kəs/
名詞
算盤
a calculating instrument with beads that slide along rods or in grooves, used for performing arithmetic calculations
範例:
•
The child learned to add and subtract using an abacus.
孩子學會了用算盤進行加減法。
•
Ancient civilizations used the abacus for complex calculations.
古代文明使用算盤進行複雜的計算。
同義詞: