形容词
中文翻译：复杂的
同义词：
['complicated', 'intricate', 'multifaceted']
例句：
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1.The problem is so complex that it's hard to solve.
这个问题太复杂了，很难解决。
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2.The architecture of the building is complex and requires careful planning.
这栋建筑的建筑结构复杂，需要仔细规划。
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3.The complexity of the software makes it difficult for beginners to understand.
软件的复杂性使得初学者难以理解。