英文關鍵字
city
civilization
container
czech
dirt
disgust
drought
dry
drying
europe
european
olomouc
plastic
pollution
problem
republic
river
rubbish
union
water
英文關鍵字
city
civilization
container
czech
dirt
disgust
drought
dry
drying
europe
european
olomouc
plastic
pollution
problem
republic
river
rubbish
union
water