英文關鍵字
alone
animal
bad
beak
bird
black
blackbird
caw
cold
common
cool
corvus
croak
crow
cry
danger
dark
day
death
die
dried
ecology
fear
feather
flight
flying
forest
freedom
halloween
horror
looking
natural
nature
omen
park
perch
perching
pole
raven
rook
season
single
slow
snow
stick
stirred
talking
talon
tree
wild
wildlife
wings
winter