Sentence examples for this is primitive from inspiring English sources

This is primitive stuff.

Now, since this is primitive pottery NO POTTERY WHEELS, sorry!

XEN cells are derived from blastocyst stage mouse embryos and represent the extraembryonic endoderm lineage: this being primitive endoderm in the blastocyst and parietal and visceral endoderm at early postimplantation stages.

Dinosaurs are no exception [7], [27], [28] and it has recently been shown that basal non-avialan deinonychosaurs were actually miniaturized (∼1 kg) and this size is primitive for Paraves (Deinonychosauria + Avialae) [22].

At this stage perception is primitive and diffuse, motor activity is gross and uncoordinated, and self-locomotion is impossible.

Furthermore, the role of biological inputs in this debate also should be questioned, including the concept that this type of technology is primitive and backward.

Banter is primitive.

The escape impulse is primitive.

It is primitive.

Well, hunting is primitive.

This ancestor would have been primitive, with a limited brain, meaning it is likely to have communicated using grunts and vocalisations similar to modern chimps.