英文關鍵字
architecture
background
bacteria
bad
bathroom
building
culture
dirty
door
eco
ecology
feces
flies
ghetto
gross
grunge
humor
hygiene
latrine
nasty
natural
nature
nobody
old
outhouse
outside
pit
poor
poverty
primitive
privacy
provincial
public
restroom
rural
sanitation
seat
slums
smelly
squat
stinky
toilet
travel
unhygienic
washroom
wood
wooden