encyclopedia
US /ɪnˌsaɪ.kləˈpiː.di.ə/
UK /ɪnˌsaɪ.kləˈpiː.di.ə/
1.
百科全书
a book or set of books giving information on many subjects or on many aspects of one subject and typically arranged alphabetically.
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I looked up the definition of 'atom' in the encyclopedia.
我在百科全书中查阅了“原子”的定义。
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The library has a vast collection of encyclopedias on various subjects.
图书馆藏有大量关于各种主题的百科全书。