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单词 antidune
释义

antidune


antidune

(ˈæntɪˌdjuːn) n (Geological Science) a sand hill or inclined bedding plane that forms a steep slope against the direction of a fast-flowing current

antidune


antidune

[′an·tē‚dün] (geology) A temporary form of ripple on a stream bed analogous to a sand dune but migrating upcurrent.
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更新时间:2024/12/22 13:06:58