Geçen yıl üç ay boyunca denizdeydi.
- Last year, he was at sea for three months.
Müttefikler denizde kazanıyorlardı.
- The Allies were winning at sea.
Most of the class was at sea after the first week.
... but now the ice begins to melt and sea levels rise again. ...
... sea levels plummet by 300 to 400 feet. ...