资料来源 : pyDict

排放管; 排放装置; 排泄器

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

Eductor \E*duc"tor\, n. [L., tutor.]
   One who, or that which, brings forth, elicits, or extracts.

         Stimulus must be called an eductor of vital ether. --E.
                                                  Darwin.