We have known such things in our own dealings with primitive human races.

You, Perry, are practically an alien member of a primitive race.

Her species are called the Ne'thels, a very primitive race that has only six words in its language and five of them mean kill.

A primitive race, they were eager to acquire our advanced technology.

Sven then goes on to live with the primitive race of killing beasts.

Like most primitive races, the humans did not at first seem to realize what they were up against.

This isn't the first time I've made contact with a primitive race.

He belongs to a primitive race known as the Wreek.

That's something I'm sure they won't be expecting from a 'primitive' race.

I've had this sort of trouble with primitive races before.