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

Paripinnate \Par`i*pin"nate\, a. [Pari- + pinnate.] (Bot.)
   Pinnate with an equal number of leaflets on each side; having
   no odd leaflet at the end.

资料来源 : WordNet®

paripinnate
     adj : of a leaf shape; pinnate with a pair of leaflets at the apex
           [syn: {even-pinnate}, {abruptly-pinnate}]