非限定性定语从句在英语语法中用于对主句的某一成分进行补充说明,但不是主句中某个成分的必要部分。这种从句可以使句子更加充实和流畅,熟练掌握其用法可以使表达更加准确和生动。
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My friend, who lives in New York, is coming to visit me next week. (我的朋友,住在纽约,下周要来看我。)
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The movie, which won several awards, was directed by a famous director. (这部电影,获得了几个奖项,是由著名导演执导的。)
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Tom, my brother's friend, is a great musician. (汤姆,我兄弟的朋友,是一位出色的音乐家。)
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Mary, the woman I met yesterday, is a doctor. (玛丽,昨天我遇见的女士,是一名医生。)
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The book, written by an unknown author, has become a bestseller. (这本书,是由一位未知作者所写,已成为畅销书。)