英文關鍵字
asphalt
bad
broken
construction
crack
damage
danger
dangerous
destroyed
dirty
gravel
gray
highway
hole
maintenance
material
old
pit
pothole
road
rough
safety
street
surface
transportation
urban
water
英文關鍵字
asphalt
bad
broken
construction
crack
damage
danger
dangerous
destroyed
dirty
gravel
gray
highway
hole
maintenance
material
old
pit
pothole
road
rough
safety
street
surface
transportation
urban
water