英文關鍵字
abstract
aggressive
alert
animal
art
background
beach
beady
beautiful
beauty
beaver
blue
bodies
bottom
brackish
branch
branches
brown
build
canada
castor
change
changing
coat
color
danger
dead
decline
detail
dinner
dog
driftwood
ear
eat
energy
environment
eye
face
fallen
flat
foot
form
lake
nature
plant
small
stick
stone
the
transparent
tree
underwater
water