The point at which they split is called the carina.

分叉处叫气管叉。

This, you can see, would be much like a bear claw, a couple of carina here, very effective in ripping, puncturing and grasping its prey.

你能看到，这很像熊爪，这里有一些脊，在撕扯、刺伤和握住猎物方面很有效。