名词
中文翻译：半兄弟
同义词：
['half-sibling', 'half-brother']
例句：
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1.He was a half-brother to my sister and brother.
他是我的姐姐和哥哥的半兄弟。
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2. She had a half-brother who helped her when she was young.
她有一个在她小时候帮助过她的半兄弟。
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3.The family is very close, with several half-brothers and sisters.
这个家庭非常亲密，有好几个半兄弟和姐妹。