单词：rubella 

名词

• 
  [1.n.rubella] (同义词:[German_measles(风疹 )]  [rubella( n. [医]风疹 )]  [three-day_measles]  [epidemic_roseola([医]流行性蔷薇症, 风疹 )]  )
• 
  注释列句：a contagious viral disease that is a milder form of measles lasting three or four days; can be damaging to a fetus during the first trimester
• 上位词 -> [measles( n. [医]麻疹, 风疹, 包虫病, 痧子 )]  [contagious_disease(接触传染病 )]  [communicable_disease(传染性疾病 )]  [disease( n. 疾病, 弊病 )]  [illness( n. 疾病, 生病 )]  [ill_health(n.不健康 )]  [pathological_state]  [physical_condition(物理［物质］状态 )]  [condition( n. 条件, 情形, 环境, 社会地位 vt. 以...为条件, 使达到要求的情况 )]  [state( n. 情形, 状态, 国家, 政府, 州 adj. 国家的, 国有的, 国营的, 州的, 正式的, 典礼用的 vt. 声明, 陈述, 规定 )]  [attribute( n. 属性, 品质, 特征, 加于, 归结于 )]  [abstraction( n. 提取 )]  [entity( n. 实体 )]