英文關鍵字
abstract
balance
beach
biological
change
climate
coastline
death
destruction
dirty
disaster
disease
eco
ecological
ecosystem
entire
environment
environmental
europe
fish
garbage
global
industrial
industry
life
living
management
microorganism
mucilage
natural
nature
ocean
outdoors
oxygen
people
pollution
reaction
risk
sand
sea
seaside
shore
slime
summer
things
tourism
treatment
urban
water
wildlife