英文關鍵字
broken
concept
conservation
conserve
drip
dripping
drop
environment
faucet
flow
flowing
handle
leak
leaking
leaky
liquid
metal
outdoor
pipe
tap
trombone
valva
waste
wasteful
wasting
water
英文關鍵字
broken
concept
conservation
conserve
drip
dripping
drop
environment
faucet
flow
flowing
handle
leak
leaking
leaky
liquid
metal
outdoor
pipe
tap
trombone
valva
waste
wasteful
wasting
water