英文關鍵字
acacia
leaves
green
sky
blue
nature
background
outdoors
environment
growth
plants
tree
forest
vibrant
sunny
daylight
landscape
seasons
summer
spring
fresh
foliage
leafage
canopy
comfortable
park
tranquility
oxygen
verdant
eco
weather
botanical
tropical
bright
branches
tall
flora
biodiversity
lush
serene
woodland
beautiful
bio
refreshing
photosynthesis
trees
against
natural