book·cross·ing /ˈbʊkˌkrɒsɪŋ $ -ˌkrɒːs-/ noun [uncountableU] the practice of leaving books in public places or on buses, trains etc, so that other people will read them and then leave them for others to read. There is a website where people can record details of the books and the places where they found or left them. 图书漂流〔指将图书放在公共汽车、火车等公共场所让他人阅读的做法。 有相关网站供读者记录图书信息、得书地点和放漂地点〕
—bookcrosser noun [countableC]