🧩 词语组成解析
book
[bʊk]
n. 书;卷;课本;账簿;
vt.& vi. 预订;
vt. 登记;（向旅馆、饭店、戏院等）预约;立案（控告某人）;订立演出契约;
adj. 书的;账簿上的;得之（或来自）书本的;按照（或依据）书本的;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 丹尼尔（男子名）
🗣️ 情景例句
I really appreciate all of your hospitality.
十分感谢您的款待。
I am afraid I will not be able to accompany you.
我恐怕无法跟你在一起了。
By the way, I came into this classroom last Saturday morning, and it was not as clean as usual.
顺便提一句，上星期六上午我来到这个教室时