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单词 Cetacea
释义

Cetacea

/sɪˈteɪʃə/
Zoology an order of marine mammals that comprises the whales, dolphins, and porpoises. These have a streamlined hairless body, no hindlimbs, a horizontal tail fin, and a blowhole on top of the head for breathing.
【动】鲸目。参见MYSTICETI, ODONTOCETI.
派生词

cetacean

noun & adjective
词源
modern Latin (plural), from Latin cetus, from Greek kētos 'whale'.
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更新时间:2025/8/2 7:03:07