英文關鍵字
bird
business
calm
cargo
commerce
crane
dusk
economy
equipment
evening
export
fishing
freight
global
harbor
heavy
horizon
horizontal
import
industrial
international
large
loading
logistic
marine
maritime
merchandise
metal
nautical
ocean
operation
port
sailing
sea
seaport
serenity
shipping
sky
sun
sunset
technology
town
trading
transport
twilight
unloading
vessel
warehouse
water
working