bookn.书；本子v.预订；记录在案booklist推荐书目,书单Book Box书盒bookwormn.书呆子；书蛀虫Booklage博克拉热bookableadj.可预约的bookingsn.登记book off下班时在考勤册上登记book end书夹bookworkn.根据书籍的研究bookgill书鳃,叶鳃