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单词 Cestracion
释义 Cestracion Zool.|sɛˈstreɪsɪɒn|
[mod.L., invented by Cuvier; cf. Gr. κέστρα name of a kind of fish, also κέστρος sharpness, and ἀκή point.]
A kind of shark now peculiar to Australia; the Port Jackson shark. It has sharp teeth in front, and flat pavement-like teeth behind, and has a spine in front of each dorsal fin.
1876Page Adv. Text-bk. Geol. xvii. 320 Shark-like genera resembling the cestracion of Australian seas.
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