英文關鍵字
drink
run
motherhood
child
mother
cub
mum
eating
baby
childhood
family
group
animals
huge
reserve
basin
wilderness
congo
walk
wild
elephant
jungle
loxodonta
eat
african
tusk
river
trunk
herbivore
nature
lake
africa
wildlife
ivory
cyclotis
forest
cross
feed
feeding
food
grass
crossing
detect
detecting
thermal
camera
imaging
high
sensitivity
infrared