I do talk to her and she picks up on what I say to her.于是我对她说话而她真的能听懂我说的内容

pick up:学会

We need to pick up on what's going on here.

我们需要了解一下这里的情形。

I am the only one to pick up on what the teacher is really saying.

我是唯一明了老师真正在说什么的人。

An ability to interact with us unlike any other domesticated animal.在他们身上发现所有其他的被驯化动物所不具备的智慧和能力

interact with:与 ... 相互作用

How does he interact with his kids?

他和孩子如何交流呢?

How would they address and interact with each other?

他们彼此怎么相互称呼，互相交流呢?