英文關鍵字
cartoon
character
2d
animation
pain
back
backache
sharp
spine
problem
issue
worker
employee
office
syndrome
symptom
osteoarthritis
ache
hurt
injury
body
health
illness
flat
motion
graphic
hd
video
design
animated
footage
human
isolated
loop
clipart
repeat
toon
dynamic
detailed
person
man
male
european
white
caucasian
adult
sit
young