单词：oak_leaf_cluster 

名词

• 
  [1.n.oak_leaf_cluster] (同义词:[Oak_Leaf_Cluster]  )
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  注释列句：a United States military decoration consisting of bronze or silver oak leaves and acorns awarded to anyone who has won a given medal before
• 上位词 -> [decoration( n. 装饰, 装饰品 )]  [award( n. 奖, 奖品 vt. 授予, 判给 )]  [symbol( n. 符号, 记号, 象征 )]  [signal( n. 信号 adj. 信号的 v. 发信号, 用信号通知 )]  [communication( n. 传达, 信息, 交通, 通讯 )]  [abstraction( n. 提取 )]  [entity( n. 实体 )]