abacus /'sbakss; 'sedskss/ /-kasiz; -kazsiz/ /'aebosai; 'aeba/Sai/ (pl -euses or -ci) n frame with beads or balls sliding on rods, for teaching numbers to children, or (still in the East) for calculating; early form of digital computer. 算盤 (木框內(nèi)有珠或球可在細(xì)桿上滑動(dòng),用以教兒童算術(shù),或仍用于東方作算具者); 早期的數(shù)位計(jì)算機(jī)。