| 单词 | common tern |
| 释义 | > as lemmascommon tern Of the species, which are widely diffused from Arctic to extreme southern coasts, the British Museum Catalogue reckons more than 50, of which 33 are placed in the genus Sterna, and about 18 distributed in ten other genera. Of these, six are considered indigenous to the British coasts, and many more to those of North America. The common tern of Britain and North America is Sterna hirundo (or fluviatilis); the sandwich tern, the largest British species, now scarce, is S. cantiaca; the arctic tern, S. macrura; the roseate tern, S. dougalli; the little tern, S. minuta; the black tern, Hydrochelidon (formerly Sterna) nigra.extracted from ternn.1< as lemmas |
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