英文關鍵字
algae
amphibian
animal
anuran
background
beautiful
call
cheek
cleanliness
creature
cute
ecology
european
eyes
field
fly
food
frog
froggy
green
head
herp
illinois
insect
invasive
kishwaukee
lake
leaves
lithobates
look
male
membrane
mosquito
nature
pollution
pond
pupils
reptile
river
species
spring
swamp
water
wild
wildlife