1. 這個(gè)畫廊是中世紀(jì)藝術(shù)的寶庫。
   The gallery is a treasure trove of medieval art.
2. 【諺】知識(shí)是寶庫，實(shí)踐是鑰匙。
   Knowledge is a treasure, but practice is the key to it.
3. 一部好的百科全書是知識(shí)寶庫。
   A good encyclopaedia is a mine of information.
4. 讀書是打開知識(shí)寶庫的鑰匙。
   Reading is the key to the treasure house of ideas.
5. 一部好的百科全書是一座知識(shí)寶庫。
   A good encyclopaedia is a mine of information.

庫的英語翻譯：