形容词
中文翻译：Unknown
同义词：
['duplex', 'dualistic', 'duplicitous例句：1. The dual role of a teacher is both inspiring and challenging.（教师的双重角色既令人鼓舞又具挑战性。）']
例句：
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1. The dual role of a teacher is both inspiring and challenging.
教师的双重角色既令人鼓舞又具挑战性。
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2.The company has a dual focus on innovation and sustainability.
该公司在创新和可持续性方面都有双重关注。
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3.The dual nature of the issue requires a nuanced approach.
这个问题的双重性质要求一种细致入微的方法。