英文關鍵字
american
back
barier
blue
boat
british
canada
caps
cargo
coast
commerce
cruise
freight
freighter
goods
horizon
industrial
international
large
line
merchandise
mode
moving
nautical
nobody
ocean
open
pacific
rear
safety
sailing
seagoing
seas
seascapes
ship
shipping
ships
solitude
steady
swirling
trade
transport
transportation
vessel
view
water
waves
white