/ˈskænə(r) ||; ˈskænɚ/noun [C] an electronic machine that can look at, record or send images or electronic information 扫描仪;扫描仪:
The scanner can detect cancer at an early stage. 这台扫描仪可发现早期癌症。I used the scanner to send the document by email. 我用扫描仪扫描文件后,以电子邮件形式发送出去。