Geçen yıl, o, denizde üç ay geçirdi.
- Last year, he spent three months at sea.
Geçen yıl üç ay boyunca denizdeydi.
- Last year, he was at sea for three months.
Most of the class was at sea after the first week.
... but now the ice begins to melt and sea levels rise again. ...
... WE GOTTA HAUL IT BACK TO SEA BEFORE IT DIES! ...