英文關鍵字
agriculture
background
beautiful
bio
biochemistry
biofuel
blossom
blossoming
canola
chemistry
color
country
countryside
eco
ecologicalquot
ecology
energy
environment
environmental
farm
farming
farmland
field
flora
floral
flower
fuel
grass
industry
landscape
meadow
natural
nature
oil
outdoor
plant
plantation
power
protection
renewable
rural
saving
scenery
scenic
season
summer
sustainable
yellow