英文關鍵字
animal
audio
beast
bug
chirm
chirp
chirr
cicada
cicala
clambering
climber
forest
grass
grasshopper
green
insect
jungle
liana
liane
locust
microcosm
microworld
natural
plant
rustle
rustling
sing
song
sound
speak
speaking
speech
stereo
stone
stridulate
talk
tell
tone
tune
twine
twiner
vine
voice
whirr
wild
wildlife
wing
wood
zoo
zoology