英文關鍵字
science
investigation
woman
protective
cloth
researching
bonsai
tree
growing
polyethylene
film
corrugated
pipe
dark
background
industry
pollution
greenhouse
effect
influence
global
data
warming
ecology
damage
conceptual
plastic
earth
reuse
waste
conservation
problem
people
lungs
recycling
environmental
consciousness
nature
life
white
person
adult