| 单词 | nurse shark |
| 释义 | Word Frequency nurse sharknoun any of various sharks of the family Orectolobidae, such as Ginglymostoma cirratum of the Atlantic Ocean, having an external groove on each side of the head between the mouth and nostril Word origin C15: nusse fisshe (later influenced in spelling by nurse), perhaps from division of obsolete an huss shark, dogfish (of uncertain origin) as a nuss |
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