形容词
中文翻译：复杂的
同义词：
['complicated', 'intricate', 'multifaceted']
例句：
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1.The molecular structure of DNA is complex, requiring years of study to understand fully.
DNA分子结构复杂，需要多年研究才能完全理解。
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2.The project's design is complex, requiring expertise in engineering and construction.
该项目的设计复杂，需要工程和建筑方面的专业知识。
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3.The company's operations are complex, with many different departments working together seamlessly.
公司的运营复杂，许多不同的部门能够无缝协作。