英文關鍵字
abuse
activism
activist
caucasian
change
city
climate
cloud
crowd
danger
demonstration
earth
eco
ecology
environment
fight
future
global
green
group
life
march
mask
nature
people
placard
planet
politic
pollution
protect
protest
protester
respirator
responsible
right
save
shake
sign
slogan
smoke
street
strike
student
warming
woman
young
youth