| 单词 | kestrel |
| 释义 | Word Frequency kestrel(ˈkɛstrəl) noun any of several small falcons, esp the European Falco tinnunculus, that tend to hover against the wind and feed on small mammals on the ground Word origin C15: changed from Old French cresserele, from cressele rattle, from Vulgar Latin crepicella (unattested), from Latin crepitāre to crackle, from crepāre to rustle |
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