英文關鍵字
arid
australian
autumn
background
brown
bush
change
climate
close
closeup
cover
danger
dehydration
disaster
diseases
drought
dry
environment
environmental
extreme
fire
floor
foliage
forest
global
ground
hazard
heat
hot
leaf
leaves
litter
natural
nature
organic
outdoor
period
plant
rough
rural
season
shortage
shortfall
summer
surface
temperatures
textured
vegetation
warming
water
weather
withered
wood