英文關鍵字
alcohol
antiseptic
blue
bottle
care
chemical
chemistry
china
clean
cleanser
clear
container
coronavirus
covid
dispenser
drink
drip
empty
equipment
fill
filling
flow
full
gallon
gel
glass
green
hand
health
healthy
isolated
laboratory
liquid
medical
medicine
object
pharmacy
research
spray
transparent
virus
water
white
woman