宝库

1. 这个画廊是中世纪艺术的宝库。
   The gallery is a treasure trove of medieval art.
2. 【谚】知识是宝库，实践是钥匙。
   Knowledge is a treasure, but practice is the key to it.
3. 一部好的百科全书是知识宝库。
   A good encyclopaedia is a mine of information.
4. 读书是打开知识宝库的钥匙。
   Reading is the key to the treasure house of ideas.
5. 一部好的百科全书是一座知识宝库。
   A good encyclopaedia is a mine of information.

库的英语翻译：