英文關鍵字
aqua
arm
bath
bathroom
ceramic
clean
cleanness
cleansing
clear
dirty
disease
disinfect
disinfectant
drop
environmental
faucet
female
flow
fluid
flush
hand
health
healthy
house
human
humid
hygiene
lever
liquid
loss
open
prevention
restroom
room
sanitary
sewage
sink
spout
tap
tub
wash
washbasin
washing
washroom
water
wellness
wet
white
woman