英文關鍵字
agriculture
animal
animals
brown
bull
calf
care
cattle
country
countryside
cow
cowherd
cows
dairy
domestic
evening
farm
farmland
fodder
forage
freedom
grass
graze
grazing
green
herd
herdsman
hue
lake
landscape
livestock
lotus
pond
male
man
milk
nature
outdoor
pasture
person
ranch
rural
scene
viet
nam
vietnam
vietnamese
walk
walking
water
wilderness
road
village
beautiful