洪水

An academic society or a professional organization where scholars and researchers share their findings. It also commonly refers to the specific academic conferences or meetings organized by these groups.

A legal entity or organization, such as a company or non-profit, that is recognized by law as having rights and duties similar to those of a person. It distinguishes a group or institution from an individual human being in legal and business matters.

A formal organization or association formed by individuals or groups with a common interest, most commonly referring to a labor union or a cooperative. It describes a collective body where members work together to achieve shared social, economic, or professional goals.

A collection of people, animals, or things that are together or considered together. It is a loanword from English used to describe social circles, categorized items, or organized teams in various settings.

A group of people working together toward a common goal, such as in sports, business, or a school project. It is a loanword from the English word 'team' and is used in almost identical contexts in Japanese.

Geography refers to the study of the physical features of the earth and its atmosphere, including the distribution of populations and resources. In daily life, it often describes the layout, terrain, or spatial understanding of a specific area or town.

A noun referring to a specific area, region, or district characterized by certain features or boundaries. It is commonly used to describe local communities or geographical sections within a larger city or country.

A physical or conceptual line that marks the limit or division between two areas, states, or things. It is used to describe where one thing ends and another begins, such as a land border or the division between work and private life.

A 'toshi' is a large and densely populated urban area that serves as a center for politics, economy, and culture. It is the formal term for 'city' or 'metropolis', typically used in administrative, geographical, or statistical contexts.

A noun referring to a large city or urban area characterized by high population density and modern infrastructure. It is often used to describe the bustling lifestyle or environment of a city in contrast to rural areas.