英文關鍵字
2019ncov
30s40s
adult
africa
african
background
black
blue
camera
chroma
clip
concept
conceptual
coronavirus
covid19
diversity
ear
elastic
ethnicity
face
footage
green
healthcare
him
how
key
lifestyle
light
man
mask
medical
model
motion
movement
noise
novel
one
pandemic
people
person
protective
screen
shadow
side
skin
slow
strap
stretching
video
view
wear
wearing
young