英文關鍵字
climate
degree
meteorology
weather
temperature
thermometer
celsius
equipment
winter
low
outside
snowflake
frost
ice
icy
minus
white
zero
coldness
concept
closeup
cold
season
centigrade
change
cool
december
extreme
measure
measurement
number
scale
science
freeze
indicator
frosty
object
background
outdoor
dial
drop
falling
forecast
freezing
car
digital