英文關鍵字
after
anticipation
behind
blister
calm
conch
conical
declivity
depths
descent
displacement
dynamics
environment
flank
form
freedom
gastropods
hill
hole
life
migration
motion
movement
pace
peace
presence
pulmonary
quiet
quietness
rain
rate
relocation
search
sense
shell
shellfish
shelter
side
silence
sink
slope
slow
snail
snails
spiral
still
stopping
survival
tempo
time
transfer
turn
wildlife
wood