back water英语解释
名词 back water:
- a body of water that was created by a flood or tide or by being held or forced back by a dam
同义词：backwater
- any backward region that is isolated from the world and resists progress
同义词：backwater
back water例句
- A mound of earth or stone built to hold back water or to support a roadway.
堤用以阻挡水或支持公路而建造的土堆或石堆
