| 单词 | cetacean |
| 释义 | Word Frequency cetacean(sɪˈteɪʃən) adjective also: cetaceous 1. of, relating to, or belonging to the Cetacea, an order of aquatic placental mammals having no hind limbs and a blowhole for breathing: includes toothed whales (dolphins, porpoises, etc) and whalebone whales (rorquals, right whales, etc) noun 2. a whale Word origin C19: from New Latin Cētācea, ultimately from Latin cētus whale, from Greek kētos |
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