英文關鍵字
air
area
australia
background
beautiful
beauty
breeze
carbon
clean
cloud
concept
day
dioxide
earth
environment
field
forest
fresh
grass
green
greenery
land
natural
nature
open
outdoor
oxygen
park
parks
peaceful
photosynthesis
planet
playground
quiet
recreation
refresh
regenerate
relaxing
scenery
scenic
shadows
space
spring
summer
sunlight
sunny
sunshine
sustainable
tranquil
tree
trees
vineyard
vitamin
wilderness
wind
winery