| 单词 | cetacean |
| 释义 | cetacean From Longman Dictionary of Contemporary EnglishAnimalscetaceance‧tac‧ean /sɪˈteɪʃən/ noun [countable]HBA technical a mammal that lives in the sea, such as a whale —cetacean adjectiveExamples from the Corpuscetacean• Sound production and hearing in the Bottle-nosed dolphin had been studied more than those of any other cetacean.• Public concern over the popular cetacean has mounted as numbers have rapidly declined.• The biggest danger for any stranded cetacean is overheating.Origin cetacean (1800-1900) Latin cetus “whale”, from Greek ketos |
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