| 单词 | aggrade |
| 释义 | aggrade /ə-grādˈ/ (geology)transitive verbTo raise the level of (a surface) through the deposition of detritus intransitive verbTo build up in this way ORIGIN: L ad to, and gradus a step, in imitation of degrade aggradation /ag-rəd-āˈshən/ noun |
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