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Cetaceans
(n)UK
sɪˈteɪʃənz
US
sɪˈteɪʃənz
Definition: Marine Mammals
Meaning: Động vật biển có vú
Not Common
How to use "Cetaceans" vocabulary in sentence (example)
Their closest living relatives are cetaceans (whales, porpoises, etc.) from which they diverged about 55 million years ago.
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