hornbook

例句：

1. 1. The ancient hornbook is a treasure trove of historical knowledge.
   古老的头几卷《圣经》是历史知识的宝库。
2. 2. The book of days is considered to be one of the most important works in literature.
   这本书被认为是文学中最重要的作品之一。
3. 3. The hornbook was made of leather and has been passed down through generations as a symbol of family heritage.
   这本皮革制的头几卷《圣经》代代相传，被视为家族遗产的象征。