bicuspidal

例句：

1. 1.The tree's branches are bifurcated, with each branch ending in a separate leaf.
   这棵树的树枝是双分的，每条分支都长着单独的叶子。
2. 2. The ant colony is bifurcating, with new colonies forming at different points on the ground.
   蚂蚁巢穴正在分裂，新的巢穴在地面上的不同位置形成。
3. 3. The river has been bifurcating for centuries, splitting into smaller tributaries.
   这条河已经分裂了几个世纪，分成了更小的支流。