英文關鍵字
amphibian
animal
aquatic
away
breaststroke
bright
calm
closeup
common
day
dip
dive
environment
environmental
flippers
float
frog
green
head
herpetology
lake
lessonae
light
living
marsh
natural
nature
one
outdoors
outside
pelophylax
plunge
pond
pool
reflection
ridibundus
river
spring
summer
surface
swim
swimmer
under
underwater
water
waterscape
wet
wetlands
wild
wildlife