资料来源 : pyDict

双叶的

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

Bifoliate \Bi*fo"li*ate\, a. [Pref. bi- + foliate.] (Bot.)
   Having two leaves; two-leaved.

资料来源 : WordNet®

bifoliate
     adj : having two leaves