点阵打印机 diǎnzhèndǎyìnjī dot matrix printer Origin Definitions Defs Strokes Stroke Words Sentences Sents 点阵 點陣 diǎnzhèn dot matrix a grid of dots arranged in a regular pattern; dot matrix; lattice; bitmap打印机 打印機 dǎyìnjī noun printer printer; a computer output device that prints text or graphics onto paper