名词
中文翻译：研究
同义词：
['investigation', 'research', 'investigations']
例句：
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1.The scientists conducted a series of studies on the effects of pollution on the environment.
科学家们对污染对环境的影响进行了一系列的研究。
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2.He spent several weeks studying ancient texts to understand their historical context.
他花了几周时间研究古代文本，以了解其历史背景。
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3. The university's library offers extensive resources for students to study and research.
该大学的图书馆为学生提供了丰富的资源，供他们学习和研究。