英文關鍵字
animal
aspiration
background
beautiful
bird
bloom
blossom
blue
bright
clouds
colored
colorful
day
earth
europe
field
flight
flower
fly
free
freedom
green
group
horizon
land
landscape
liberty
many
meadow
migrant
migrate
migration
nature
nest
outdoor
pure
scene
scenic
sky
space
spring
summer
swallow
swift
travel
tree
weather
white
wild
wildlife