英文關鍵字
autumn
brown
cover
curb
drain
drainage
fall
flood
flow
grate
grating
gutter
iron
leaf
leaves
overflow
rain
raining
rainwater
sewer
sidewalk
storm
street
surface
waste
water
weather
wet
英文關鍵字
autumn
brown
cover
curb
drain
drainage
fall
flood
flow
grate
grating
gutter
iron
leaf
leaves
overflow
rain
raining
rainwater
sewer
sidewalk
storm
street
surface
waste
water
weather
wet