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，难以解决。
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2.The design of the new building is complex and requires a lot of planning.
新建筑的设计复杂，需要大量的规划。
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3.The story behind the painting is complex and involves many layers of meaning.
这幅画背后的故事很复杂，涉及许多层面的意义。