释义 |
water-levels 英'wɔːtərl'evlz美'wɔːtərl'evlz BNC¹⁷³⁹⁹⁵⁺² 基本英英例句 水平仪¹⁰⁰原型water-level的复数 名词 water level: the level of the surface of a body of waterunderground surface below which the ground is wholly saturated with watera line corresponding to the surface of the water when the vessel is afloat on an even keel; often painted on the hull of a shipa water gauge that shows the level by showing the surface of the water in a trough or U-shaped tubeThe ancient Egyptians used levels and calibrated rods for sighting over long distances.古埃及人使用水平仪与量尺做长距观测。 |