The beautiful blue of the morpho butterfly is one of the wonders of nature.

Mr. Chono is my best friend.

He attended the party wearing a bowtie.

Her necklace was in the beautiful shape of a butterfly.

I am planning to go to Inner Mongolia, an autonomous region of China, next week.

I have been to Outer Mongolia.

I have been to Chicago.

The Paleogene period was a very important time in the history of the Earth.

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

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