英文關鍵字
background
beaker
beverage
blue
bubble
burn
carbon
chemical
chemicals
chemistry
dissolving
drink
education
examination
experiment
flask
flow
fluid
gas
glass
glow
hot
lab
laboratory
light
liquid
molecule
nitrogen
organic
oxide
pharmaceutical
process
reaction
research
science
scientific
smoke
steam
substance
technology
test
toxic
warm
water