在书架旁边的吉他英文可以称为 "a guitar next to the bookshelf"。

来源:

吉他(guitar)这个词本身是西班牙语,西班牙语中的 "guitarra" 是源自古希腊语的 "kithara"。"Kithara" 本身是指一种古希腊的弹拨乐器,在罗马时期也有所使用。而后来,这种乐器的设计在西班牙和拉丁美洲的传播过程中发生了改变,并逐渐演变成了现代吉他的样子。

英文例句及翻译:

"I played the guitar next to the bookshelf while he read a book."(他读书时,我在书架旁边弹吉他。)
"She placed the guitar next to the bookshelf when she finished practicing."(她练习完后,将吉他放在了书架旁边。)
"The guitar next to the bookshelf is his favorite one."(书架旁边的吉他是他最喜欢的。)