| 单词 | Delichon urbica |
| 释义 | Delichon urbica (once / 11819311 pages) n WORD FAMILY Delichon urbica n common small European martin that builds nests under the eaves of houses Syn|Hyper house martin martin any of various swallows with squarish or slightly forked tail and long pointed wings; migrate around Martinmas |
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