英文關鍵字
aquatic
beach
coast
coastline
corona
coronavirus
covid19
damage
danger
debris
discarded
disease
dishes
disposable
ecology
ecosystem
environment
environmental
epidemic
face
filter
flu
garbage
hazard
hygiene
junk
marine
mask
medical
nature
ocean
oceans
outdoor
pandemic
plastic
polluted
pollution
problem
procedure
protection
protective
quarantine
rubbish
sand
trash
used
virus
waste
water
waves