abacus是什么意思

双语例句

(1)An abacus is a frame used for counting.

算盘是一种用来算数的工具

(2)In response to declining math skills among their students, some Japanese schools are bringing back an ancient calculating device—the abacus.

为了应对学生数学能力的下降，日本的一些学校重新使用起一种古老的计算工具——算盘。

(3)Learn how to use an abacus.

学会用算盘。

(4)We might say, the day of the abacus is gone.

我们可以说，算盘的时代已经过去了。

(5)Why is the abacus such an effective teaching device?

为什么算盘有效地帮助了教学？

(6)I could write on paper and use abacus for statistic.

我可以用纸笔写作，要算统计时就打算盘。

释义

n.

an oblong frame with rows of wires or grooves along which beads are slid, used for calculating

算盘。

Architecture the flat slab on top of a capital, supporting the architrave

【建筑】 顶板。

词源

"late Middle English （denoting a board strewn with sand on which to draw figures）： from Latin, from Greek abax, abak- ‘slab, drawing board ', of Semitic origin; probably related to Hebrew 'āḇāq ‘dust ’."