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

'The safety instruction book is like this,' he adds, holding his thumb and forefinger an inch apart.

他用拇指和食指比划出一英寸的厚度说，“安全指导手册有这么厚。”

youdao

Kent provides us with his experience in an elegant and concise format (the entire book, with appendices, is 156 pages). He does not give rules, but gives values, principles, and rules of thumb.

Kent以优雅简洁的方式为我们分享了他的经验(全书加附录共156页)。

youdao

In the reception area you sit in well-worn chairs and can thumb through a lavishly photographed book of great lodges of America's national parks (many of which Anschutz operates) or James P.

FORBES: Magazine Article

We did have to be somewhat mindful when reading an e-book, for example, as any accidental encroachment of the thumb onto the edge of the screen can trigger a page flip.

ENGADGET: Samsung Galaxy Note 8.0 review