英文關鍵字
animals
beach
bird
birds
black
blackhead
blackheaded
chroicocephalus
clear
coast
common
fight
flock
flying
group
gull
gulls
headed
larus
motion
nature
ocean
plumage
sea
seabird
seagull
seagulls
seashore
slow
summer
water
white
wild
wildlife
wings