| 单词 | rock-defended terrace |
| 释义 | rock-defended terrace [`räk di¦fen·dǝd `ter·ǝs] GEOLOGY 1. A river terrace having a ledge or outcrop of resistant rock at its base which serves as protection against undermining. 2. A marine terrace having a mass of resistant rock at the base of the cliff which protects against wave erosion. |
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