Polyarchy refers to a political system where many people share power.

Myriapods belong to the same Arthropoda phylum as insects.

He never misses his multifidus muscle training every day.

He faced many difficulties before he succeeded, but as they say, the road to happiness is strewn with setbacks.

Watashi lives in Japan.

This species of bird has a polygynous breeding pattern.

The multi-armed bandit problem is a part of probability theory, providing an algorithm for making optimal choices.

Einstein proposed the theory of relativity.

His actions always have a duality.

My younger brother caught the influenza.