英文關鍵字
agriculture
arid
barren
climate
crack
cracked
crisis
dead
death
desert
dirt
dirty
disaster
drop
drops
drought
dry
dryness
dusty
dying
earth
ecology
effect
environment
erosion
field
global
ground
harsh
heat
hot
irrigation
lake
land
landmass
landscape
mud
parched
pattern
rain
rough
scarcity
shortage
soil
surface
warming
water
waterless
weather