He wrote his name using a logogram.

He wrote a message using mirror writing.

The characteristic of annelids is that their bodies are divided into ring-shaped segments.

This butterfly valve is used to control the flow of fluid.

He explained in detail about the structure of the sphenoid bone.

He drew a straight line using a T-square.

She is learning the grammar of the present progressive form.

Non-fungible tokens are used to represent unique assets such as digital art and music.

This shape is a parallelogram.

This shape is a parallelogram.