单词：faa 

名词

• 
  [1.n.faa] (同义词:[Federal_Aviation_Agency]  [FAA(abbr.Federal Aviation Administration 联邦航空局 )]  )
• 
  注释列句：an agency in the Department of Transportation that is responsible for the safety of civilian aviation
• 上位词 -> [agency( n. 代理处, 行销处, 代理, 中介 )]  [administrative_unit]  [unit( n. 个体, (计量)单位, (军队的)部队单位, [数学]最小的整数 )]  [organization( n. 组织, 机构, 团体 )]  [social_group]  [group( n. 团体, 组, 团, 群, 批, [地]界, [化]基 v. 聚合, 成群 )]  [abstraction( n. 提取 )]  [entity( n. 实体 )] 
• 部分总称 -> [Department_of_Transportation] 
  所有总称 -> [Department_of_Transportation]