英文關鍵字
activity
agricultural
agriculture
biologist
biology
blade
color
cultivated
dirt
environment
environmentalist
farm
farmer
feature
field
flower
freshness
gardening
germinating
grass
green
growth
hand
human
humus
land
nature
non
occupation
one
outdoors
people
person
plant
planting
rural
scene
seedling
sky
soil
sowing
tree
unrecognizable
urban
video