The part of a plant where the roots emerge, serving as the foundation for growth and stability.
The base or lower section of an upright structure, indicating where it joins the ground and may be susceptible to decay.
The fundamental aspect or main source of a situation, idea, or problem, representing its essential origin or basis.
The starting point or origin from which something flows, particularly in reference to water, such as where a river begins.
The fundamental beginning or root of an event, idea, or phenomenon, indicating its historical or conceptual inception.
A term denoting a lineage or family name, particularly associated with the descendants of a specific ancient Japanese emperor, symbolizing noble heritage.
A source that provides electrical energy necessary for powering devices and systems.
The origin from which electrical current is drawn, such as an outlet or power supply unit.
A fundamental element in a circuit that delivers voltage and enables the flow of current.
The facility or infrastructure responsible for generating and supplying electric power, such as a power plant.
Example:
回路を調べる前に、電源のスイッチを切りなさい。
Elements obtained from nature that are useful for production in various industries, including raw materials and substances necessary for economic activities.
Components that support industrial activities, which can encompass anything from natural substances like minerals and water to intangible assets such as human capital and tourism potential.
A broad term for materials and elements that are foundational for economic processes, acknowledging both tangible resources like fossil fuels and renewable resources, as well as human resources vital for operational success.
Example:
海は各種の資源を与えてくれる。
A source that emits light, serving as an origin for illumination.
An object or entity that produces and radiates light.
The place or device where light originates, often used in contexts related to technology or natural phenomena.
Example:
では、CGを作る場合はどのように光源を使用すればよいのであろうか。