| 词汇 | alluvium |
| 词根词缀 | 词源： "matter deposited by flowing water," 1660s, from M.L. alluvium, neut. of alluvius "washed against," from L. alluere "wash against," from ad- "to, against" + -luere, comb. form of lavere "to wash" (see lave). |
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