ocean-going

US /ˈoʊ.ʃənˌɡoʊ.ɪŋ/
UK /ˈoʊ.ʃənˌɡoʊ.ɪŋ/
1.

外洋航行

(of a ship, boat, etc.) designed for traveling across large areas of ocean:

:
an ocean-going vessel