英文關鍵字
alocasia
base
beautiful
concrete
day
dirty
ditch
dripping
drop
fountain
garden
gloomy
grass
grate
green
grid
heavy
hole
huge
industrial
industry
iron
landscape
leaves
light
liquid
metal
muddy
natural
nature
odora
old
outdoor
outdoors
outfall
pipe
pipeline
plant
poison
pollution
rain
rainy
reflection
river
road
rock
sewage
sewer
sewerage
splashing
steel
still
stone
stream
street
surface
system
texture
trench
tube
underground
urban
vegetat
vegetation
view
waste
wastewater
water
wet
white