英文關鍵字
aquatic
beautiful
beauty
biology
blossom
boat
calm
closeup
color
danube
day
delta
dew
ecology
ecosystem
elegance
floating
floral
flower
fresh
green
lake
landscape
leaf
lilly
lily
lotus
magnificent
mirror
nature
outdoor
pattern
petals
plant
pond
purity
reflection
reserve
river
season
single
spring
summer
trip
vessel
water
white
wonderful
biosphere