英文關鍵字
barge
board
boat
bow
clouds
cruise
deck
fore
from
holiday
horizon
journey
landscape
motion
move
movement
navigation
nose
river
russia
scenery
ship
sky
speed
summer
sunny
tour
tourism
travel
travelling
trip
vacation
video
volga
voyage
water
英文關鍵字
barge
board
boat
bow
clouds
cruise
deck
fore
from
holiday
horizon
journey
landscape
motion
move
movement
navigation
nose
river
russia
scenery
ship
sky
speed
summer
sunny
tour
tourism
travel
travelling
trip
vacation
video
volga
voyage
water