英文關鍵字
frog
amphibian
wetland
swamp
pond
lake
nature
wildlife
fauna
animal
reptile
stone
rock
edge
boundary
reflection
duckweed
algae
bloom
eutrophication
riparian
littoral
macro
detail
perspective
herpetology
vertebrate
ranidae
anura
watchful
alert
observant
curiosity
summer
sunny
daylight
outdoors
nobody
one