| 单词 | black swallow |
| 释义 | Definition of black swallow in English:black swallownoun
OriginMid 18th century; earliest use found in Catalogue Birds, Insects exhibiting at Spring-Gardens. Definition of black swallow in US English:black swallownoun
OriginMid 18th century; earliest use found in Catalogue Birds, Insects exhibiting at Spring-Gardens. |
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