英文關鍵字
active
activity
adventure
alaska
alone
athlete
climate
cold
cool
dangerous
expedition
extreme
face
fitness
forest
freeze
frost
frozen
guy
hiking
hoar
icy
journey
landscape
male
man
nature
outdoor
people
polar
power
rime
russian
season
seasonal
snow
snowfall
snowflake
snowstorm
storm
strength
strong
travel
trees
trekking
walk
weather
white
winter