英文關鍵字
agricultural
agriculture
awn
barley
blowing
cereal
corn
countryside
day
depth
ecology
energy
farm
farming
field
food
forces
grain
green
greenery
grow
harvest
land
motion
moving
nature
organic
path
plant
power
ripe
ripening
rural
rye
season
seed
sow
stalk
straw
sunny
track
tracks
tractor
trail
trailed
valley
way
wheat
wind
windy
yellow