The library is a treasure house of knowledge.
图书馆是知识的宝库。
Science is the accumulation of huge treasure house of knowledge.
科学是人类积累的知识的巨大宝库。
Poetry is an art of beauty as well as a treasure house of knowledge.
英诗是一门美的艺术，也是一座知识的宝库。
It is such a common rectangular blackboard, but it is the golden key to the door of the treasure house of knowledge.
就这样一个普通的长方形黑板，可却是通往知识宝库的金钥匙。
The library is the palace of knowledge and the treasure house of human civilization.
图书馆是知识的殿堂，是人类文明的宝库。
Outside reading is the supplement and extends of inside reading, and also another gold key to open the knowledge treasure-house.
课外阅读是课内阅读的补充和延伸，是开启知识宝库的又一把金钥匙。
Outside reading is the supplement and extends of inside reading, and also another gold key to open the knowledge treasure-house.
课外阅读是课内阅读的补充和延伸，是开启知识宝库的又一把金钥匙。
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