This water gate was installed to prevent flooding.

He is a true gentleman.

The United Mexican States is a country located in North America.

The elder of wide and deep knowledge turned 100 years old.

It is important for us to respect cultural diversity and understand each other's differences.

Polyandry is a social system where one woman marries multiple men.

The multifidus cervicis muscle is a part of the neck muscles, playing a role in supporting the head.

The multifidus lumborum muscle is one of the important muscles that support our back.

The multifidus thoracis muscle is a part of the back muscles, mainly involved in stabilizing the spine.

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