英文關鍵字
abandoned
activist
altruism
bag
care
charity
cleaning
closeup
contamination
convolute
dirty
dogrose
dump
ecologically
ecology
eglantine
environment
environmental
garbage
horizontal
industry
litter
male
nature
package
plastic
pollute
polluted
pollution
problem
recycling
rosehip
rubbish
substance
sunny
toxic
trash
tree
unhygienic
volunteer
waste