| 单词 | ponding |
| 释义 | ponding [`pänd·iŋ] BUILDING CONSTRUCTION An accumulation of water on a flat roof because of clogged or inadequate drains. CIVIL ENGINEERING 1. The impoundment of stream water to form a pond. 2. Covering the surface of newly poured concrete with a thin layer of water to promote curing. HYDROLOGY The natural formation of a pond in a stream by an interruption of the normal streamflow. |
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