英文關鍵字
animal
beautiful
bird
blue
breeding
bridal
couple
cute
dating
day
dove
feather
female
flicking
flight
flirt
flirting
fly
freedom
ground
happiness
heart
hope
love
male
mate
mating
nature
nesting
outdoor
pair
peace
philander
pigeon
plumage
relations
relationship
reproduction
ritual
romance
season
spring
symbol
tease
tender
tenderness
two
valentine
wing