名词
中文翻译：部分
同义词：
['segment', 'division', 'part']
例句：
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1. The book is divided into several sections for easy reading.
这本书被分成几个部分以便阅读。
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2. The project was divided into different sections to ensure efficiency.
这个项目被分成不同的部分以确保效率。
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3. The teacher explained the material in sections to make it easier to understand.
老师将材料分成若干部分来解释，以便于理解。