英文關鍵字
abundance
agitation
agricultural
agriculture
alive
animal
blue
brook
business
chaos
circling
crowd
farm
farmer
farming
farmland
fish
fishes
fishing
fishpond
frenetic
freshwater
gourmet
green
group
hatchery
industry
lake
life
many
nature
pattern
pisciculture
pond
pool
production
reproduction
ripples
shoal
specked
submerged
swimming
synchronized
tasty
trout
underwater