英语词汇“Cetacea”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

Cetacea

/sɪˈteɪʃə

plural noun 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. See also Mysticeti, Odontoceti.The order Sirenia is composed of manatees and dugongs, and the order Cetacea includes whales, dolphins, and porpoises....

However, in a phylogenetic analysis of the complete mitochondrial genome of the Jamaican fruit bat it appeared more closely related to cetferungulates, a clade including Cetacea, Artiodactyla, Perissodactyla, and Carnivora.
The order Cetacea comprises two extant sub-orders and one extinct sub-order.

Origin

Modern Latin (plural), from Latin cetus, from Greek kētos 'whale'.

单词	Cetacea
释义	Cetacea /sɪˈteɪʃə / plural noun 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. See also Mysticeti, Odontoceti.The order Sirenia is composed of manatees and dugongs, and the order Cetacea includes whales, dolphins, and porpoises.... However, in a phylogenetic analysis of the complete mitochondrial genome of the Jamaican fruit bat it appeared more closely related to cetferungulates, a clade including Cetacea, Artiodactyla, Perissodactyla, and Carnivora. The order Cetacea comprises two extant sub-orders and one extinct sub-order. Origin Modern Latin (plural), from Latin cetus, from Greek kētos 'whale'.
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