| 单词 | ice apron | 
| 释义 | ice apron [`īs ´ā·prǝn]  CIVIL ENGINEERING A wedge-shaped structure which protects a bridge pier from floating ice.  HYDROLOGY 1. The snow and ice attached to the walls of a cirque.  2. The ice that is flowing from an ice sheet over the edge of a plateau.  3. A piedmont glacier's lobe.  4. Ice that adheres to a wall of a valley below a hanging glacier.  | 
	
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