英文關鍵字
beach
black
blue
branch
bridge
color
dark
daytime
dead
decay
dirty
dry
dying
ecology
ecosystem
environment
field
forest
green
landscape
leaf
leafless
mangrove
mud
muddy
mudflat
nature
ocean
outdoor
pathway
puddle
reflection
root
rot
saltwater
seashore
seaside
shadow
shore
silhouette
sky
summer
swamp
swampy
tree
tropic
tropical
trunk
wild
wood