I like reading science fiction books.

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

This shape is called a gyrobifastigium.

He apologized to me sincerely.

They became in a relationship of mutual love.

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.