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