Definition
A place or source that is full of something valuable or desirable.
丰富的…，…的宝库
This old bookstore is a treasure trove of rare books.
这家旧书店是珍贵书籍的宝库。
This website is a treasure trove of resources for learning new languages.
这个网站是学习新语言的资源宝库。
His grandmother's attic was a treasure trove of old photos and letters, a real trove of memories.
他祖母的阁楼是旧照片和信件的宝库，真正的记忆宝藏。