water level
中央水位越来越深
The water in the center is getting deeper and deeper.
— 阿基拉 (1988)
什么水位？
What water level?
— 甘泉玛侬 (1986)
水位上升得非常快。
The water level is rising very quickly.
河的水位上升了。
The river's water level has risen.
一旦它们充满整个洞穴水位升高，泉水就再次流动起来
Once they fill the entire cave, the water level rises and the spring starts flowing again.