level glass

例句：

1. 1. The level of the water is too high for me to swim in.
   水的深度对我来说太高，我无法游泳。
2. 2. The level of the ocean has been rising due to climate change.
   由于气候变化，海洋的水平面一直在上升。
3. 3. The level of the river has dropped significantly since the flood.
   洪水过后，河流的水平面显著下降。