a device for examining, reading, or monitoring something, in particular 扫描器,尤指 ■(Medicine)a machine that examines the body through the use of radiation, ultrasound, or magnetic resonance imaging, as a diagnostic aid (医)扫描仪 ■(Electronics)a device that scans documents and converts them into digital data (电子)(扫描文件,使之转化为数字数据的)扫描器