英文關鍵字
adult
algae
amphibia
amphibian
animal
anuran
aquatic
autumn
background
beast
beautiful
beauty
carnivore
close
day
duckweed
environment
evening
fish
fishing
forest
freshness
frog
grass
green
hunting
insect
lawn
mosquito
natural
nature
plant
pond
reflection
reptile
river
siberia
silence
spring
summer
sunrise
sunset
swamp
taiga
toad
water
weather
wild
wildlife