英文關鍵字
animation
motion
green
screen
chromakey
background
metal
crutch
icon
set
isometric
3d
illustration
disabled
handle
health
help
isolated
man
medical
object
stick
accidental
disability
accessibility
accident
age
aged
aid
broken
crook
disease
elder
elderly
gray
hand
human
logo
medicine
orthopedic
pensioner
senior
sign
steel
support
symbol
walk
adjustment
aluminum
arm
armrest
base
cane
care