He hid himself from the enemy using the art of occult hiding.

She hid the dildo with a shy look.

She hid the dildo, looking embarrassed.

He wrote an ancient poem using the literary language form.

This textbook explains mainly in colloquial form.

We should always remember the power of Kannon in difficult times.

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

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

She is learning the grammar of the present progressive form.

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