This sentence contains kanji not approved for regular use.

This sentence contains non-Jōyō kanji.

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.

His long talk is just like 'a hundred days of sermonizing without a fart.'

This shape is a parallelogram.

This shape is a parallelogram.