The bookshelves were crowded with books and scientific ________ .
The bookshelves were crowded with books and scientific ________ .
annual a. 一年一次的 version n. 版本 financial a. 财政的 entry n. 条目 refugee n. 难民 publication n. 出版物 detailed a. 详细的 full-time a. 全职的 click v. 点击 spot v. 认出，找出 2. The bookshelves were crowded with books and scientific __________.
annual a. 一年一次的 version n. 版本 financial a. 财政的 entry n. 条目 refugee n. 难民 publication n. 出版物 detailed a. 详细的 full-time a. 全职的 click v. 点击 spot v. 认出，找出 2. The bookshelves were crowded with books and scientific __________.
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