C1 noun #20,000 よく出る

artesian

A term referring to a well or aquifer where water rises to the surface under its own internal pressure without the need for a pump. This phenomenon occurs when water is trapped between layers of impermeable rock and is replenished from a higher elevation, creating hydrostatic pressure.

類義語

flowing pressurized subsurface hydrostatic self-flowing

反対語

pump-action surface-level stagnant
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