| 单词 | spiny dogfish |
| 释义 | spiny dogfish in American English any of an order (Squaliformes) of sharks having a sharp single spine in front of each dorsal fin; esp., a small shark (Squalus acanthias) spiny dogfish in American Englishnoun any of several dogfish sharks of the genus Squalus, having a spine in front of each of the two dorsal fins, esp. S. acanthias, inhabiting Atlantic coastal waters Word origin [1840–50]This word is first recorded in the period 1840–50. Other words that entered Englishat around the same time include: bypass, layout, organizer, plaque, warmup |
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