cetacean
🇺🇸
/sɪˈteɪʃn/
🇬🇧
/sɪˈteɪʃn/
A type of large sea mammal, like whales, dolphins, and porpoises.
Cetaceans, such as whales, are very smart creatures.
고래와 같은 해양 포유류는 매우 똑똑한 생물입니다.