英文關鍵字
baltic
board
boat
bottom
cable
calm
clear
cord
covered
cruise
dark
day
deck
equipment
frosty
ice
icecovered
iced
icy
industry
line
metal
mooring
nature
ocean
outdoor
rail
russian
sail
sailing
sea
ship
shipboard
shipping
sky
snow
stand
tank
traffic
transport
transportation
travel
tug
vessel
water
wave
winter
work