To check out a book, students swipe a bar code placed inside the book at a computer station, which then asks for them to press their thumb on a fingerprint scanner.

学生借一本书，必须先由电脑扫描书本内页条形码，然后再由他在指纹扫描仪上按压自己指纹。

youdao

To check out a book, students swipe a bar code placed inside the book at a computer station, which then asks for them to press their thumb on a fingerprint scanner.

学生借一本书，必须先由电脑扫描书本内页条形码，然后再由他在指纹扫描仪上按压自己指纹。

youdao