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cetacean

adjective
🔊/sɪˈteɪʃn/
🔊/sɪˈteɪʃn/
(biology生物)
(also cetaceous
🔊/sɪˈteɪʃəs/
🔊/sɪˈteɪʃəs/
)
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  1. connected with the group of creatures that includes whales and dolphins鲸目动物的；鲸类的
    Word Originmodern Latin (plural), from Latin cetus, from Greek kētos ‘whale’.

cetacean

noun
🔊/sɪˈteɪʃn/
🔊/sɪˈteɪʃn/
(biology生物)
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  1. a whale, dolphin, or other sea creature that belongs to the same group鲸类
    Word Originmodern Latin (plural), from Latin cetus, from Greek kētos ‘whale’.