资料来源 : pyDict

膈动描记器

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

Phrenograph \Phre"no*graph\, n. [Gr. ?, ?, the migriff +
   -graph.] (Physiol.)
   An instrument for registering the movements of the diaphragm,
   or midriff, in respiration.