英文關鍵字
and
animal
animals
are
black
bovine
breed
canada
cattle
cattles
cloudy
country
cow
dairy
daytime
farm
female
field
footage
friesians
green
group
herd
highest
hill
holstein
industry
known
landscape
lighting
livestock
meadow
natural
nature
nthey
outdoor
pasture
product
production
purebred
quebec
realtime
spring
summer
the
white
world