英文關鍵字
acv
aerial
air
aircushion
boat
city
coast
cold
craft
crust
cushion
day
embankment
engine
fast
freeze
frost
frozen
hover
hovercraft
ice
modern
motor
moving
over
patrol
propeller
public
river
russia
russian
samara
ship
sky
snow
tourism
touristic
tourists
transport
transportation
travel
travelling
vehicle
vessel
view
volga
water
waterfront
wide
winter