名词
中文翻译：半兄弟
同义词：
['half-brother', 'half-sibling', 'half-brothers and half-sisters']
例句：
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1. He's the half brother of my best friend.
他是我最好的朋友的半兄弟。
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2. They are half brothers who grew up together.
他们是一起长大的半兄弟。
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3.The family is made up of half brothers and half sisters.
这个家庭由半兄弟和半姐妹组成。