英文關鍵字
ages
ancient
art
attack
battle
boat
boats
castle
crossing
danes
danish
denmark
english
fire
hastings
invasion
ireland
longboat
medieval
men
middle
navigating
navigation
nordic
norse
norsemen
ocean
old
painted
painting
pirate
pirates
sail
sailing
sailor
sailors
sails
scotland
sea
ship
ships
swedish
thor
viking
vikings
wales
wall
war