名词
中文翻译：辅助的
同义词：
['auxiliary book', 'auxiliary material', 'supplementary book']
例句：
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1. The teacher gave us some auxiliary materials to help us with ourhomework.
老师给了我们一些辅助材料来帮助我们做作业。
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2. The library has a largecollection of auxiliary books thatcan be borrowed for free.
图书馆有大量的辅助书籍，可以免费借阅。
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3. Inaddition to the main textbooks, thereare also auxiliary books availableonline for reference.
除了主要的教科书之外，还有在线的辅助书籍可供参考。