en_tn_condensed/act/28/11.md

397 B

that had spent the winter at the island

"that the crew left at the island for the cold season"

a ship of Alexandria

Possible meanings are this refers to 1) a ship that came from Alexandria, or 2) a ship that was registered or licensed in Alexandria.

the twin gods

On the bow of the ship, there was a carving of the two idols called "the twin gods." Their names were Castor and Pollux.