verb
divide into two branches or forks
（使）分为二支（或枝），（使）分叉
[noobj.]just below Cairo the river bifurcates.
刚过开罗，那条河流就分成了两条支流。
[with obj.]the trail was bifurcated by a mountain stream.
山里流出的小溪把小径分成两条岔路。
adjective
forked; branched
分叉的，分枝的
a bifurcate tree.
一棵分枝的树。

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语源
early 17th cent.: from medieval Latin bifurcat- 'divided into two forks', from the verb bifurcare, from Latin bifurcus 'two-forked', from bi- 'having two' + furca 'a fork'