Her face is a beautiful oval shape.

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She is learning the grammar of the present progressive form.

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

He drew a straight line using a T-square.

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

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

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This shape is a parallelogram.

This shape is a parallelogram.