资料来源 : pyDict

三叉的分成三叉

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

Trifurcate \Tri*fur"cate\, Trifurcated \Tri*fur"ca*ted\, a. [L.
   trifurcus; tri- (see {Tri-}) + furca fork.]
   Having three branches or forks; trichotomous.

资料来源 : WordNet®

trifurcate
     v : divide into three; "The road trifurcates at the bridge"