英文關鍵字
abstract
animal
animals
aqua
aquatic
baby
background
beaver
coat
copy
day
diving
eat
edge
fauna
hair
invasive
lake
liquid
little
muskrat
natural
nature
nutria
orange
otter
outdoor
pond
rat
reflection
ripple
river
rodent
shore
side
space
species
spiny
surface
swimming
teeth
view
water
waters
wave
wet
wetlands
wildlife
young
zoo