名词
中文翻译：导师
同义词：
['teacher', 'mentor', 'guide']
例句：
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1. I have a guru in my life who helps me with my studies.
我生命中有一个导师，帮助我学习。
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2. The guru's teachings have influenced many people's lives.
这位导师的教导影响了许多人的生活。
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3. He is considered a guru in his field of expertise.
他被认为是其专业领域的大师。