英文關鍵字
abandoned
animal
ant
background
beautiful
big
biology
brown
calcium
carbonate
closeup
conch
coral
creature
crush
crustacean
day
empty
evolution
garden
gastropod
grass
green
gummy
life
light
mollusk
mucus
nature
nautilus
outdoor
shell
slides
slime
slimy
slip
slippery
slow
small
snail
speed
spiral
spring
sun
sunlight
tropical
univalve
wallpaper
wet
wild