英文關鍵字
bag
beach
bottle
clean
closeup
coast
concept
container
coronavirus
dirty
discarded
disease
disposable
disposal
eco
ecology
environment
environmental
equipment
garbage
glove
hand
infection
litter
man
mask
medical
nature
ocean
outdoor
pandemic
person
plastic
polluted
pollution
problem
protection
protective
recycle
recycling
rubbish
sea
trash
used
virus
volunteer
waste
water