英文關鍵字
animal
attach
aviary
blue
bright
cage
calm
captivity
care
chill
clean
colorful
comfort
comfortable
conditions
contact
fenced
grid
interest
interesting
keeping
lie
like
lying
mammal
metal
monkey
natural
nature
pure
rest
resting
rope
shadow
sky
sleep
sleeping
small
sun
sunny
thick
wild
zoo