单词	dogfish
释义	dogfish /ˈdɒɡfɪʃ / noun (plural same or dogfishes) 1A small sand-coloured bottom-dwelling shark with a long tail, common on European coasts. Also called rough hound, sandy dog. Scyliorhinus canicula, family Scyliorhinidae. Eleven of these are of the shark variety, who live in blissful harmony with stingrays, thornback rays, conger eels and dogfish, to name but a few.... Lesser spotted dogfish are amongst the most common bottom dwelling fish in many areas and can be a real nuisance when trying to catch more desirable species. In some areas small skates and dogfish (a small shark species) appear to have taken over the cod's niche in the ecosystem. 2 [with modifier] A small shark that resembles or is related to the dogfish, sometimes caught for food. Several genera in the families Scyliorhinidae, Squalidae, and Triakidae. Among the smallest shark species is the deepwater dogfish shark.... In particular, the isolation of separate bullfrog and dogfish shark gastrin- and CCKlike peptides suggests that gastrin evolved much earlier than originally hypothesized. Further work is needed to establish whether the homologous CCK and gastrin act as separate peptides in dogfish sharks.
随便看	come to a sticky end come to blows come to grief come to naught come to no harm come to nothing come to (or meet) a sticky end come to pass come to rest come to someone's assistance come to someone's knowledge come to terms with come to that (or if it comes to that) come to think of it come true come under come unglued come up come up against come up against (or hit) a brick wall come up dry come upon come up (or be given) with the rations come up (or go down) in the world come up (or out) smelling of roses

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