He is found to be able to speak the human language.

The debate is over what, if anything, the results mean for human language.

I do not think he speaks any other human language.

What was the point of the detailed message in a human language?

Fortunately for them, they would never be able to hear, let along understand, human language.

One must still not talk to the pet in human language, however.

"Do you suppose he can speak or understand human language?"

This gene is known to play a role in human language.

I also suspect that he can speak a human language.

Earlier, he had made no response to questions in any of the human languages we tried.