留言簿的英文：
visitor's book
visitors left approving remarks in the comment book
参观的人在留言簿上留下了赞扬的话。
n. 访问者；参观者；游客
The visitors are touched by the grandness of the monument.
游客们被纪念碑的雄伟所感动。
She introduced the visitors into the hall.
她把参观者引进大厅。
Visitors crowded the gallery.
参观者挤满了艺术馆。
They companioned the visitors to the opera.
他们陪着来宾到剧院去。
How to identify a visitor?
如何识别访客的身份？
n. 书籍；著作；圣经；有内涵的事物；知识；剧本；账簿；卷，篇
adj. 从书本上学来的；账簿记载的
v. 预订；将…的姓名记在本子上；【英】预订房间 c
subsidiary book
辅助帐簿; 明细帐簿
It was a stupid book.
那是一本无聊的书。
This is the sum of this book.
这就是这本书的要点。
The book is appendixed.
那本书后面有附录。
Is this book yours?
这本书是你的吗？