名词
中文翻译：后生
同义词：
['nephew', 'nephew', "younger brother例句：1. The young man is my nephew and he's studying in the same university.（这个年轻人是我的侄子，他在同一所大学学习。）"]
例句：
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1. The young man is my nephew and he's studying in the same university.
这个年轻人是我的侄子，他在同一所大学学习。
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2.He is a younger brother to his older brother.
他是他哥哥的弟弟。
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3. The younger brother has been helping his elder brother with his homework.
弟弟一直在帮他哥哥做作业。