英文關鍵字
amphibian
animal
aquatic
behavior
behaviour
blown
bubble
call
calling
cheeks
common
crimea
croak
croaking
ecology
edible
esculenta
frog
green
group
inflated
inflating
klepton
lake
male
mating
natural
pond
rana
russia
sac
skin
ukraine
water
英文關鍵字
amphibian
animal
aquatic
behavior
behaviour
blown
bubble
call
calling
cheeks
common
crimea
croak
croaking
ecology
edible
esculenta
frog
green
group
inflated
inflating
klepton
lake
male
mating
natural
pond
rana
russia
sac
skin
ukraine
water