英文關鍵字
blur
cascade
creek
current
details
fall
fine
fleet
flood
flow
fluid
ford
groove
gush
lively
mountain
nature
niagara
nimble
outpour
quick
race
rapid
rathe
rinsing
river
rivulet
rock
round
rushing
seasonal
serene
shower
slick
slippery
speedy
spill
spring
stone
stream
summer
swift
thrift
tide
torrent
water
waterfall