water level

• n.
  • the level of the surface of a body of water
  • underground surface below which the ground is wholly saturated with water

    同义词： water table groundwater level

  • a line corresponding to the surface of the water when the vessel is afloat on an even keel; often painted on the hull of a ship

    同义词： waterline water line

  • a water gauge that shows the level by showing the surface of the water in a trough or U-shaped tube

以上来源于: WordNet