英文關鍵字
beaker
bottle
chemical
chemistry
closeup
container
cup
development
equipment
experiment
eyedropper
flowing
food
glass
glowing
healthy
hygiene
industry
ingredients
ink
laboratorian
laboratory
liquid
machine
measure
measurement
measuring
milliliter
mixing
particles
physics
production
products
red
research
science
separation
sequins
soap
sparkling
stuff
transparent
whirlpool
white