单词 | recession |
释义 | recession [ri`sesh·ǝn] GEOLOGY 1. The backward movement, or retreat, of an eroded escarpment. 2. A continuing landward movement of a shoreline or beach undergoing erosion. Also known as retrogression. 3. The withdrawal of a body of water (as a sea or lake), thereby exposing formerly submerged areas. HYDROLOGY The gradual upstream retreat of a waterfall. |
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