英文關鍵字
abscission
aerial
autumn
bird
branch
bush
day
deadwood
defoliation
dirt
drone
dry
eye
fall
fir
flight
flora
foliage
forest
forward
grass
ground
grove
landscape
leaf
log
nature
needles
nobody
outdoors
petersburg
pine
plant
road
russia
saint
scenic
soil
spruce
suburban
thicket
track
trail
tree
trunk
vegetation
view