Among polyandrous animals, there are species where one female mates with multiple males.

She was diagnosed with polycystic ovary syndrome.

This shape is called a great icosihemidodecahedron.

The Mesolithic is the era between the Paleolithic and the Neolithic.

I went to see the Golden Gate Bridge.

He exhausted his strength to finish the work.

Sentarou fell asleep while watching TV.

He rubbed his hands together to get warm.

The committee approved the new project.

The Tōhoku earthquake off the Pacific coast, which occurred on March 11, 2011, was the largest earthquake in Japanese history.