英文關鍵字
afforest
afforestation
agriculture
birth
branch
care
cultivate
cultivating
cultivation
development
drop
eco
ecological
ecology
environment
environmental
forest
garden
gardener
gardening
germination
green
ground
grow
growing
growth
hose
jet
landscaping
life
man
nature
new
park
plant
plantation
planting
reforest
reforestation
root
sapling
seedling
small
soil
spring
tree
trunk
water
watering
young