英文關鍵字
clean
clear
close
closeup
cool
countryside
drain
drink
drop
ecology
environment
flow
flowing
fresh
freshness
garden
gardening
iron
irrigate
motion
natural
nature
nozzle
old
outdoors
pipe
plumbing
pouring
pressurized
rural
rusty
slow
splash
spray
spring
stream
tube
wash
water
waterfall
wet