北(ほっ)海(かい) hokkaiの no海(かい)底(てい) kaiteiで de石(せき)油(ゆ) sekiyuが ga発(はっ)見(けん) hakkenされている sareteiru。 Oil has been discovered on the sea floor of the North Sea. Literal North-sea [of-の] sea-floor [at-で] oil [subject-が] found-is. 北海 ('North Sea') is distinct from 北海道 ('Hokkaido'). 海底 ('sea floor, seabed') is a compact compound: 海 + 底 ('bottom'). 発見されている is the passive ~ている of 発見する ('to discover') — '[has been] discovered [and is known].' A news-style scientific observation. naturescience~で (location of action)passive voice (~れる/~られる)北海 (North Sea)
北(ほっ)海(かい) hokkaiの no海(かい)底(てい) kaiteiで de石(せき)油(ゆ) sekiyuが ga発(はっ)見(けん) hakkenされている sareteiru。 Oil has been discovered on the sea floor of the North Sea. Literal North-sea [of-の] sea-floor [at-で] oil [subject-が] found-is. 北海 ('North Sea') is distinct from 北海道 ('Hokkaido'). 海底 ('sea floor, seabed') is a compact compound: 海 + 底 ('bottom'). 発見されている is the passive ~ている of 発見する ('to discover') — '[has been] discovered [and is known].' A news-style scientific observation. naturescience~で (location of action)passive voice (~れる/~られる)北海 (North Sea)