英文關鍵字
autumn
boot
break
broken
bubble
cracked
cracking
crackling
dangerous
destroy
drown
environment
floe
foot
fractured
freeze
frozen
glass
grass
hiking
ice
jeans
man
pool
puddle
slippery
snap
snow
spring
step
stomp
surface
thin
try
underfoot
walking
water
weather
wet
winter