This shape is called a muoctahedron, in other words, a hexagonal four-piece square hole twisted polyhedron.

She is good at making artificial flowers.

The ceiling of this room is low.

This round shape represents a perfect circle.

Shu never missed a day of training, striving to maintain his self-discipline.

He left early to avoid the problem.

He is a diligent student.

He couldn't bear the wretched living conditions.

This lake is very deep.

I saw a swallow flying in the sky.