英文關鍵字
active
adult
alone
asphalt
capacity
careful
cerebral
city
concept
cross
crossing
crosswalk
crowd
danger
difficult
disability
disable
disabled
disease
gait
health
healthy
human
ill
infantile
invalides
lameness
leg
limp
limping
man
medical
motion
movement
need
palsy
paralysis
path
pathway
pavement
pedestrian
people
person
petersburg
public
rehab
rehabilitation
road
russia
safety
sidewalk
social
solitude
space
street
stride
town
travel
trip
urban
zebra