bookend

详细解释:n. 书挡, 压书具

英语解释：

名词 bookend:

a support placed at the end of a row of books to keep them upright (on a shelf or table)

详细解释：

book.end

n.（名词）
A prop placed at the end of a row of books to keep them upright.
书档：放在一排书的末端以使书本直立的支撑物