英文關鍵字
annual
background
bank
changing
chinook
creek
cycle
dam
ecosystem
eggs
environment
environmental
fall
fish
fishes
fishing
fishy
habits
healthy
jump
jumping
ladder
leap
leaping
migrating
migration
natural
nature
ontario
pacific
pool
rapids
river
salmon
spawning
spectacular
stream
swimming
trout
water
waterfall
wildlife