名詞 abacus:

1. a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave
2. a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves

1. The clerk reckoned the expenditure last week with an abacus.
   那位職員用算盤將上周的花銷計(jì)算出來。
2. I can use abacus skillfully.
   我會(huì)熟練地打算盤。