| 单词 | Riparia riparia |
| 释义 | Riparia riparia (once / 1477414 pages) n WORD FAMILY Riparia riparia n swallow of the northern hemisphere that nests in tunnels dug in clay or sand banks Syn|Hyper bank martin, bank swallow, sand martin martin any of various swallows with squarish or slightly forked tail and long pointed wings; migrate around Martinmas |
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