英文關鍵字
alarm
alarms
antarctic
antarctica
arctic
army
base
building
cold
danger
dangerous
emergency
fiction
flashing
freezing
frozen
futuristic
ice
icy
industrial
industry
light
lots
machine
machinery
military
nblizzard
pressure
release
released
science
snow
snowfall
snowing
snows
snowy
spaceship
steam
steaming
storm
submarine
valve
weather
winter