详细解释:n. 车上图书馆, 流动图书馆
英语解释：
名词 bookmobile:
a van with shelves of books; serves as a mobile library or bookstore详细解释：
book.mo.bile
n.（名词）A truck, trailer, or van equipped to serve as a mobile lending library.流动图书馆：一辆用作流动性的借书图书馆的货车、挂车或有篷运货箱
来源：book book(auto)mobile (auto)mobile