英文關鍵字
winter
movement
wintertide
go
fir
wintertime
february
siberia
december
russia
branch
january
pinetree
railroad
journey
anticyclone
frozen
white
karelia
taiga
arctic
finland
frost
trees
vacation
frosty
train
ice
railway
north
cold
firtree
snowdrift
day
parallax
transport
climate
forest
spruce
move
trunk
pine
tourism
weather
snow