英文關鍵字
amphibian
animal
attachment
breeding
brown
close
closeup
common
copulate
couple
eyes
female
forest
friend
frog
grass
green
hideous
love
male
mate
meadow
nasty
nature
pair
relationship
skin
slimy
spring
springtime
toad
two
ugly
wart
warty
water
wet
wild
wildlife