英文關鍵字
animal
ant
arid
barren
black
bush
climate
crack
day
desert
dirt
drought
dry
dune
earth
environment
field
grass
ground
heat
hot
insect
land
life
natural
nature
outdoor
park
plant
rough
sand
shore
small
soil
split
summer
surface
termite
terrain
travel
tropical
walking
waterless
weed
wild
wilderness
wildlife
working