英文關鍵字
algae
alpine
alps
amphibian
animal
baby
beautiful
creates
crystalline
egg
environment
fauna
frog
grass
green
group
high
lake
life
mountain
mountains
move
moving
nature
newborn
nobody
nursery
outdoors
park
plant
pond
pure
quickly
reflection
river
small
summer
surface
swim
swimming
tadpoles
tail
transparent
underwater
water
waves
wild
wildlife
wind
windy
young