英文關鍵字
animal
animalia
animals
aves
beak
beautiful
bird
birds
black
chordata
chroicocephalus
flight
fly
group
gull
gulls
headed
laridae
legs
mirror
motion
nature
nobody
outdoor
outdoors
people
plumage
red
reflection
sea
seabirds
seagull
slow
water
white
wild
wildlife
wing