英文關鍵字
natural
swim
group
nature
fish
tilapia
black
red
nile
oreochromis
niloticus
pla
nin
tubtim
ruby
aquatic
animal
life
beautiful
amazing
school
shoal
plenty
numerous
farm
pond
lake
river
freshwater
relaxing
green
water
surface
ripple
liquid
garden
patio
yard
aquaculture
food
protein
vitamin
mineral
nutritious
low
fat
daytime
outdoor
sunlight
warm
footage