鯨げい類るいMeanings1nouncetaceansScientific term for the order Cetacea, including whales, dolphins, and porpoises. Used in biology and environmental contexts.鯨げい類るいは海うみの生せい態たい系けいで重じゅう要ような役やく割わりを果はたしている。Cetaceans play an important role in marine ecosystems.
