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 a lot of planning.
这座建筑的构造复杂，需要大量的规划。
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3.The software is complex, but with practice, you can learn how to use it.
这个软件很复杂，但是通过练习，你可以学会如何使用它。