英文關鍵字
barrel
boiling
bright
bubbling
burning
cartoon
dangerous
element
glowing
graphic
green
hazard
hot
icon
industrial
industry
lake
leak
leaking
leaks
liquid
mist
nasty
nuclear
nuke
nukes
opening
poison
poisonous
pollutes
polluting
pollution
pool
river
scary
science
smokes
strange
stream
toxic
waste
water
weird