英文關鍵字
autumn
biology
colour
colourful
detail
dry
eco
ecological
elder
environment
explore
fall
flora
forest
glass
hand
herbarium
hiking
hold
holding
infrequent
leaf
leaves
life
magnificent
male
man
nature
november
october
old
outdoor
park
pensioner
plant
professor
project
rare
science
season
seasonal
senior
september
shows
symbol
texture
tree
walk
wonderful
yellow