1. A large artificial structure built in the sea or ocean, typically used for extracting oil or natural gas, or for other industrial purposes such as wind energy generation or aquaculture
The new offshore platform can extract 200,000 barrels of oil per day.
A nova plataforma offshore pode extrair 200 mil barris de petróleo por dia.
2. A fixed or floating installation in marine environments designed to support drilling, production, or processing operations
Workers aboard the offshore platform work in shifts lasting two weeks.
Os trabalhadores a bordo da plataforma offshore trabalham em turnos de duas semanas.