英文關鍵字
alaska
animal
autumn
breed
breeding
brook
close
fall
female
fish
group
horizontal
idyllic
image
laying
life
living
male
mate
mating
migrating
motion
nature
nobody
outdoors
picturesque
position
river
rock
run
salmon
silver
spawn
spawning
stream
summer
swim
swimming
transparent
underwater
vitality
water
wild
wildlife