英文關鍵字
adversary
alongshore
animal
beach
bird
birds
breeding
competition
competitiveness
conflict
couple
courting
courtship
feathers
feed
feeding
flight
flirtation
flirting
float
fly
flying
foreshore
freedom
glide
gull
gulls
hover
landing
lovemaking
match
mate
opponent
pairing
partner
rival
rivalry
sand
sandy
sea
seafront
seagull
seagulls
seaside
season
shore
soaring
water
waterfront
waves
wings
woo
wooer
wooing