英文關鍵字
conversation
protesting
woman
icon
symbol
strike
plant
workers
respiratory
mask
burning
liquid
bottle
police
tool
van
graphic
white
building
political
loudspeaker
shield
tshirt
gas
road
congestion
cars
megaphone
banner
riot
protester
announcement
problem
chaos
motion
animation
pictogram
hd
animated
item
sign
color