英文關鍵字
ecosystem
environment
ecology
biodiversity
life
cycle
biosphere
atmosphere
symbol
lithosphere
hydrosphere
ecotope
edaphotop
biocenosis
trees
planet
earth
animals
sea
ocean
rain
weather
leaf
environmental
climate
sphere
biotech
eco
global
nature
plant
protection
icon
motion
graphic
animation
pictogram
hd
animated
item
sign
set
pack
black
line