Of the family Cypselidæ or genus Cypselus of birds, comprising the Swifts.
| 单词 | θ39735 |
| 释义 | the world > animals > birds > perching birds > order Apodiformes > [adjective] > of the swifts (1) cypseline1874 Of the family Cypselidæ or genus Cypselus of birds, comprising the Swifts. |
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