英文關鍵字
activity
animal
aquarium
beauty
biology
body
closeup
coil
color
crawl
dark
eat
escargot
eye
fish
foot
fresh
freshwater
gastropod
green
horn
lake
living
macro
melania
melanoides
mollusc
mouth
move
moving
nature
physical
plant
pond
pool
radula
raise
river
sand
shell
snail
soil
spiral
spotted
stones
tank
tranquil
tuberculata
underwater
water