资料来源 : pyDict

气腔;呼吸根

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Pneumatophore \Pneu*mat"o*phore\, n. [Pneumato- + Gr. ? to
   bear.] (Zo["o]l.)
   One of the Pneumonophora.

资料来源 : WordNet®

pneumatophore
     n : an air-filled root (submerged or exposed) that can function
         as a respiratory organ of a marsh or swamp plant