英文關鍵字
aspen
autumn
backwater
beauxite
beaver
beavern
beavers
branch
branches
broken
dam
damage
decayed
dying
fallen
food
for
forest
forestry
garden
gnawed
going
had
hundred
hurt
hydraulic
management
many
months
naturalization
nibbled
old
park
parkland
running
stalled
structure
stubby
the
thick
timber
tree
type
wild
wildlife
winter
wood
woodland
working
year