英文關鍵字
agriculture
beginning
botany
care
concept
conservation
cultivated
dirt
drop
earth
eco
ecology
environment
environmental
falling
farm
farmer
farming
forest
fresh
garden
gardening
green
ground
growing
growth
hand
human
leaf
life
nature
new
plant
plantation
pouring
protection
sapling
season
seed
seedling
small
soil
spring
sprinkler
sprout
summer
sustainable
tree
water
young