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

同義詞：bookend

Book end
Book end
Book end
Proceedings of the 22nd Conference on Severe Local Storms
Patty McCarthy and the Book End
End-Point Control of a Two-Link Flexible Manipulator Using the Landmark Tracking System
Macmillan English Level 3 Language Book,
Portmanteau, Codec, Hardware, Data compression, Moving Picture Experts Group, Sound, Video
On War
Dust separator
babaco--a new fruit in New Zealand to reach commercial production
Wireless Communications -- Principles and Practice, Second Edition. (The Book End)
Time-frequency Transforms for Radar Imaging and Signal Analysis. (The Book End)