英文關鍵字
antique
asian
clean
commuter
credit
drop
eco
ecology
equipment
escape
faucet
flowing
funneling
garden
india
interest
leak
leakage
leaks
liquid
loss
metal
money
nobody
old
outage
outdoors
outflow
percent
pipe
pouring
purity
rain
raindrop
retro
running
seepage
shiny
splashing
steel
tap
village
wastage
water
wet