爱词霸权威在线词典,为您提供free的中文意思,free的用法讲解,free的读音,free的同义词,free的反义词,free的例句等英语服务。

free，英文单词，主要用作动词、形容词、副词，作及物动词时意思是“使自由，解放；释放”，作形容词时意思是“免费的；自由的，不受约束的；[化学] 游离的”，作副词时意思是“自由地；免费”。

Free science and math simulations for teaching STEM topics, including physics, chemistry, biology, and math, from University of Colorado Boulder

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Zlibrary（又称Z-Library）是一个成立于2009年的非营利性在线电子图书馆，由全球志愿者和捐赠者共同维护。截至2025年，其馆藏已突破2300万本电子书和8480万篇期刊文章，涵盖医学、 …

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