英文關鍵字
world
algae
algal
bloom
background
bay
blooming
blooms
bodies
climate
change
contaminated
contamination
dangerous
dead
deficiency
destruction
dirty
disaster
ecology
environment
environmental
conservation
pollution
global
green
harmful
hazard
lake
nature
plankton
pollute
polluted
poor
problem
river
scarcity
sewage
smell
stagnant
stagnation
summer
surface
swamp
toxic
water