资料来源 : pyDict

双生的

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

Binate \Bi"nate\, a. [L. bini two and two.] (Bot.)
   Double; growing in pairs or couples. --Gray.

资料来源 : WordNet®

binate
     adj : growing in two parts or in pairs; "binate leaves"