1. any plant of the genus Filago having capitate clusters of small woolly flower heads. 
   林鼠曲草属植物，成串的头状多毛小花冠。
2. A sensory or tactile organ, such as an antenna, a tentacle, or a barbel. 
   触角，触须感觉或触觉器官，例如触角、触手或触须

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